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Holly Shiao, MD
Staff Psychiatrist
Dr. Holly Shiao is a psychiatrist who has worked extensively with medically complex patients, including a special focus in psycho-oncology with cancer patients. She is double board-certified in Consultation-Liaison Psychiatry and Adult Psychiatry. She has been practicing for over 7 years. Before Talkiatry, Dr. Shiao worked as an Assistant Professor at the University of Washington and Fred Hutchinson Cancer Center. She also worked as an Assistant Professor and was Director of Emergency Psychiatry at the University of Chicago. She has presented nationally at the Academy of Consultation-Liaison Psychiatry and written a book chapter about psycho-oncology. Dr. Shiao attended medical school at John P. and Kathrine G. McGovern Medical School at the University of Texas Health Science Center at Houston. She then completed an Adult Psychiatry residency at the University of Texas Medical Branch at Galveston, followed by a Consultation-Liaison fellowship at Dell Medical School at the University of Texas at Austin. Dr. Shiao is interested in the mind-body connection in overall emotional and mental well-being. She likes to integrate therapy modalities, such as cognitive behavioral therapy, supportive therapy, mindfulness and meditation with medication management to optimize a patient's mental health.

Catherine Shim, MD
Staff Psychiatris
Dr. Catherine Shim is a board-certified psychiatrist and completed her training at the University of Washington, where she received additional certifications in Psychotherapy and Community Psychiatry. Prior to joining Talkiatry, she spent years serving the mental health needs of underserved communities as well as our Veteran population. Dr. Cat is excited to bring that same dedication and selfless service to her Talkiatry patients!
Dr. Cat is experienced in managing a multitude of mental health conditions, but her specialty is providing behaviorally oriented trauma-informed care. Her approach is to treat primarily through psychotherapy and behavioral change, with medication management serving as an important (and often essential) adjuvant to optimizing mental health.
Dr. Cat tends to have a very casual engagement style, so expect a frank but open conversation during your first meetings with her. Following that initial screening, anticipate a candid discussion about her approach to your condition and an initial treatment plan. Please feel free to bring up any questions or concerns at any time during this process, and note-taking is highly encouraged!

Jennifer Shoenfelt, MD
Staff Psychiatrist
Dr. Jennifer Shoenfelt is a staff psychiatrist at Talkiatry. She is double board certified in child and adolescent psychiatry and adult psychiatry. She has been practicing for over 14 years. Dr. Shoenfelt's practice focuses on child and adolescent medication management. Typically, she offers this in conjunction with supportive or emotionally focused therapy in 30-minute follow-up visits. However, occasionally Dr. Shoenfelt may believe that additional therapy is needed and will ask that you bring a therapist into your care team to provide the best outcome. She provides treatment plans that include holistic recommendations for diet, exercise, and educational and psychosocial/spiritual aspects of care. She is known for listening to and respecting patients' stories and walking them on a path of recovery and growth. Dr. Shoenfelt received her medical degree from the Boonshoft School of Medicine at Wright State University in Dayton, Ohio. She earned her Bachelor of Science degree in Physical Therapy from The Ohio State University. Dr. Shoenfelt practiced for 14 years in physical therapy with a specialization in children with developmental and neurological disabilities before attending medical school. Dr. Shoenfelt has held multiple positions in hospital and outpatient psychiatry, including community mental health, developmental and foster care settings, and medical director positions. She has served as clinical faculty for both the Wright State Department of Psychiatry and the University of Cincinnati School of Medicine. She has a passion for the education of medical students, residents, and patients. Dr. Jennifer Shoenfelt is a staff psychiatrist at Talkiatry. She is double board certified in child and adolescent psychiatry and adult psychiatry. She has been practicing for over 14 years.
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Gusta Shurdut, MD
Staff Psychiatrist
Dr.Gusta Shurdut is a board-certified adult psychiatrist with 8 year experience. She completed her medical training at SUNY Downstate Medical center in Brooklyn, and psychiatric residency at Mount Sinai Beth Israel, NYC. After her residency, she worked as an assistant professor at Mount Sinai Psychiatric Ambulatory Services. Dr.Shurdut graduated magna cum laude from Columbia University with an undergraduate degree in biology. Prior to moving to New York, she obtained a degree in communications and public relations and worked as a journalist at her hometown in Latvia.
Dr.Shurdut believes in individual, empathetic, and collaborative treatment approach. Through her residency and work experiences, Dr.Shurdut has developed expertise to treat various mental health conditions including mood disorders, anxiety, OCD, ADHD, PTSD. While her primary focus is medication management, she also incorporates CBT, psychodynamic and supportive psychotherapy.
Dr.Shurdut’s goal is empowering patients to participate in their healthcare choices. As a psychiatrist, she feels honored to witness the complexity of the human experience, and curious to explore the factors that contribute to it. On intake appointment, she will take time to understand your concern, provide assessment, discuss treatment options and collaboratively decide on most appropriate action. The follow up appointments are usually 30 minutes and include a psychotherapy modality.
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Karelis Sierra-Cintron, MD
Staff Psychiatrist
Dr. Sierra-Cintron is board-certified in adult psychiatry by the American Board of Psychiatry and Neurology and has been in practice for 12 years. Dr. Sierra-Cintron focuses her practice on medication management. She also engages in supportive therapy in a comprehensive way, focusing on the patient as a whole and not just the symptoms. Dr. Sierra-Cintron has a broad understanding of vitamin support as an adjunctive treatment to traditional medication. She has broadened her understanding of second-line treatment, having been certified in Electroconvulsive Therapy (ECT), conducting clinics in Clozapine and Long-Acting Antipsychotics (LOA), and even conducting assessments for patients interested in weight loss surgery. Dr. Sierra-Cintron has a comprehensive approach to treatment, and might consider the addition of therapy, either by referral or collaborating with an existing therapist for a more rounded approach and improved outcome. Dr. Sierra-Cintron received her medical degree from the Universidad Central del Caribe located in Bayamon, Puerto Rico. Upon graduation, she relocated to Philadelphia, where she started her residency program at Einstein Medical Center. After completing her training, she worked for 8 years in a community mental health clinic, treating an underserved population in all modalities of psychiatric care. In her 12-year career, Dr. Sierra-Cintron has treated both adult males and females, including seniors. This has led to varied and wide-ranging diagnoses during the length of her career. After leaving the community clinic setting, she started working for an outpatient clinic in a suburb of Philadelphia. Dr. Sierra-Cintron's current areas of focus are adults with Mood Disorders, Anxiety Co-Occurring Substance disorders, as well as patients with varied concomitant medical problems.

Thomas Simeone, MD
Staff Psychiatrist
Dr. Thomas Simeone is Board Certified by the American Board of Psychiatry and Neurology in Psychiatry. Following his completion of medical school at Universidad Autonoma de Guadalajara, he completed his Fifth Pathway Clinical Training at New York Medical College. He then completed his Psychiatry Residency at Tuft's University in Boston, MA, and went on to complete a Child and Adolescent Fellowship Program at the University of Florida in Gainesville FL. He has since worked in both hospital inpatient and outpatient settings, as well as in Residential Treatment for adolescents. Dr. Simeone has treated a wide spectrum of mental health conditions including Anxiety and Depression Disorders, as well as Mood Disorders and Post Traumatic Stress Disorder. He has also treated ADHD, OCD and Eating Disorders in adults and adolescents. Dr. Simeone has worked in Telehealth Practice for the past 4 years. He is a Fellow of the American Psychiatric Association (APA) and a member of the American Medical Association (AMA).
Dr. Simeone utilizes medication management and psychotherapy practices to achieve treatment goals for his patients. During an initial assessment and evaluation, a thorough review of the patient's previous mental health treatment is considered. Dr. Simeone assesses patients' acute symptoms including recent stressors and exacerbating factors and then establishes a comprehensive treatment plan with the patients' goals in mind. Psychotherapy with medication is incorporated into the treatment plan of all patients. Dr. Simeone always aims to achieve full remission of symptoms for his patients.
Dr. Simeone's practice focuses on medication management with facets of various psychotherapeutic techniques. He conducts 30 medication management follow up sessions. Dr. Simeone is a sincere and empathic physician who advocates for patient autonomy and believes in a direct and transparent approach to patient treatment. He encourages active patient participation in their treatment plans.

Melissa Sims, PMHNP
Staff Nurse Practitioner
Melissa Sims, MSN, APRN, PMHNP-BC, is a board-certified psychiatric mental health nurse practitioner who is passionate about delivering high-quality, compassionate, and comprehensive mental health care. She earned her Master of Science in Nursing from the University of Alabama at Birmingham in 2022 and has since worked in both community mental health and correctional settings.
Melissa takes a collaborative approach to care, working closely with other mental health professionals, medical providers, families, and relevant support systems to ensure well-rounded treatment. She emphasizes a patient-centered, individualized approach, combining medication management with psychotherapy to meet each person’s unique needs.
Patients working with Melissa can expect a thorough evaluation, accurate diagnosis, and a personalized treatment plan tailored to their mental health goals. One of her core priorities is to empower individuals to make informed decisions about their care by providing education grounded in research, evidence-based practices, and clinical experience.

Sumeet Singh, MD
Staff Psychiatrist
Dr. Sumeet Singh is board-certified by the American Board of Psychiatry and Neurology in General Adult Psychiatry. He completed his psychiatry residency training at Howard University Hospital and Saint Elizabeth's Hospital in Washington, DC., where he was voted as Chief resident. He went on to serve as vice chair of the Department of Psychiatry at Adventist HealthCare in Maryland, where he worked in both an administrative and clinical role treating adults in inpatient settings. Additionally, he served as a Clinical Instructor of Psychiatry at Georgetown University School of Medicine, teaching medical students about the art of medicine. Dr. Singh received his undergraduate degree in Neuroscience from the University of Michigan and received his medical degree from Xavier University School of Medicine. Most recently, Dr. Singh worked for Life Stance Health, an outpatient telehealth company, where he treated patients between the ages of 18-65 years old with both medication management and therapeutic interventions. Dr. Singh has years of experience treating the following disorders/diagnoses: depression, anxiety and panic attacks, bipolar disorder, PTSD, ADHD, and OCD.

Harmeeta Singh, MD
Staff Psychiatrist
Dr. Harmeeta Singh was born and raised in St. Louis, MO and is board certified with ABPN (American Board of Psychiatry & Neurology). Dr. Singh has been in practice for 15 years and focuses on an individualized treatment plan, not only using pharmacotherapy when needed, but also implementing insight-oriented, supportive, motivational, and brief psychotherapy. Dr. Singh is a firm believer in combining psychotherapy with medication management when warranted to manage and treat a wide variety of mental health conditions including, but not limited to - Depressive Disorders, Bipolar Disorders, Psychotic Disorders, Anxiety Disorders, Trauma related disorders, Substance use disorders, Personality disorders, Sleep Disorders and Eating Disorders. Her dynamic approach is client focused, involving the client throughout their treatment and care plan, taking careful consideration to the individual's needs and goals. Upon completion of her residency through St. Louis University, St.Louis, Dr. Singh joined her parents' Internal Medicine practice. She learned firsthand that implementing mental health awareness, screening, and education into a primary medically focused practice led to more favorable outcomes. Many mental health conditions can manifest as and/or exacerbate a variety of medical/physical conditions and thereby go undiagnosed and untreated. Dr. Singh has worked closely and coordinated care within the medical field and with other specialists in treating and diagnosing comorbid mental health conditions. While in private practice for over 10 years, she was also an attending and consultant for inpatient mental health care and provided mental health services for residents in various residential care facilities, group homes, and skilled nursing facilities. Over the past 5 years she has consolidated her practice and presently is employed with Compass Health Network in Missouri helping bridge the gap in mental health care by coordinating and providing care to the underserved community.

Geoffrey Sinner, MD
Staff Psychiatrist
Background and credentials
Dr. Sinner is board-certified in Psychiatry. He completed his psychiatry residency training at Dartmouth-Hitchcock Medical Center. With over 14 years of experience, he has worked in a variety of settings, including five years in inpatient psychiatry in Vermont, where he served as Medical Director for a state hospital psychiatric unit and taught medical students. He then spent five years working in an outpatient community mental health center in Pennsylvania before transitioning to telepsychiatry, providing care to individuals in Pennsylvania, Florida, and New York.
Treatment approach
Dr. Sinner employs a collaborative, patient-centered approach, tailoring treatment plans to meet each individual's specific needs. His practice integrates pharmacotherapy with cognitive behavioral therapy (CBT) and supportive therapy as needed. He specializes in treating a wide range of psychiatric conditions, including depression, bipolar disorder, anxiety, ADHD, neuropsychiatric disorders, developmental disorders, and personality disorders. His philosophy is to provide personalized care that makes a meaningful impact at different stages of a patient’s life.
What you can expect in a first visit
During the first visit, patients can expect a comprehensive evaluation focused on understanding their mental health concerns, history, and treatment goals. Dr. Sinner takes a compassionate and collaborative approach, working closely with patients to create individualized treatment plans. He ensures that each patient receives a balanced and effective combination of medication management and therapeutic interventions suited to their unique needs.
Why Talkiatry?
We’re a virtual mental health practice that makes it easy to find great care. We combine quality and convenience to help you thrive—faster. Our providers, like this one, are highly trained experts who specialize in medication management and collaborate with you on a treatment plan that fits your needs and comfort level.

Cedric Skillon, MD
Staff Psychiatrist
Dr. Cedric Skillon is a board-certified adult psychiatrist with over 20 years of experience. Dr. Skillon’s clinical expertise includes treating adults with depressive disorders, bipolar disorders, anxiety disorders, substance -related and addictive disorders, and trauma related disorders. Dr. Skillon has worked in a variety of mental health care settings including academia, community mental health centers, and a substance use treatment center.
Dr. Skillon grew up in Detroit, Michigan. He obtained his Bachelor of Science from the University of Michigan. He received his medical degree from Wayne State University. He completed a General Psychiatry Residency at University Health Center of Pittsburgh, Western Psychiatric Institute and Clinic
Dr. Skillon combines a wealth of knowledge and experience with a compassion for meeting the patient “where they are” in their healing process. He believes in allowing the patient to feel heard in every session. He fully explains the risk and benefits of each treatment option. Then in collaboration, he and his patient agree on the next step to take towards the patient’s treatment goals.
Dr. Skillon is dedicated to providing hope and healing in a trusting environment. He combines empathy with a patient centered, and evidence-based approach in helping patients reach their treatment goals.

Shanika Smith, PMHNP
Staff Nurse Practitioner
Shanika is a dedicated and compassionate board-certified Psychiatric Mental Health Nurse Practitioner (PMHNP-BC) with over a decade of experience in the mental health field. She holds a Bachelor of Science in Nursing, a Masters in Nursing Education, and a Post-Master’s Certificate as a Family Psychiatric Nurse Practitioner. Shanika is known for her patient-centered approach, prioritizing empathy, respect, and individualized care. She is committed to building strong therapeutic relationships grounded in trust and open communication.
New patients can expect a warm, non-judgmental environment where they feel heard and supported. Shanika collaborates closely with each patient to create personalized treatment plans, helping them feel empowered in their mental health journey.
Shanika begins with a comprehensive psychiatric evaluation to understand each patient’s history, symptoms, and goals. Her treatment may include medication management, supportive therapy, and psychoeducation. She specializes in anxiety, depression, bipolar disorder, ADHD, trauma/PTSD, mood disorders, and women’s mental health. Shanika has extensive experience providing care for both adolescents and adults in outpatient settings, with a particular focus on underserved communities.

Jennifer Snowden, MD
Staff Psychiatrist
Dr. Jennifer Snowden completed medical school at the University of Arkansas for Medical Sciences in Little Rock, Arkansas in 1995. She then completed a residency in general psychiatry at Emory University in Atlanta, Georgia, followed by a fellowship in forensic psychiatry also at Emory University in Atlanta, Georgia from 1995-2000. She spent ten years practicing forensic psychiatry at a state hospital in Atlanta. She then decided that she wanted to travel and spent eighteen months as a locum tenens psychiatrist primarily practicing in New England. During this time, she met her future husband and they decided together that they eventually wanted to live in the New England area. In 2013, she officially became a telepsychiatrist, which eventually provided her with the opportunity to move to Rhode Island and practice out of the home she and her husband bought there. She initially saw patients via telepsychiatry at a community mental health center in rural Georgia and later took a position as a remote consultant telepsychiatrist at Acadia Hospital in Bangor, Maine. Dr. Snowden uses a practical and realistic approach with patients to assist them in identifying small, attainable goals and then motivating them to achieve those goals. She prefers to work with adults and relishes the opportunity to work with patients who are highly motivated for change.

Faujia Sobhan, MD
Staff Psychiatrist
Background and credentials
Dr. Faujia Sobhan is a psychiatrist with over 20 years of clinical experience practicing psychiatry in Nebraska and South Florida. She completed her Adult Psychiatry Residency Training at Creighton-Nebraska University.
Treatment approach
Dr. Sobhan is emphasizes compassionate, comprehensive psychiatric care. Her practice integrates medication management, supportive therapy, and psychoeducation. Dr. Sobhan specializes in treating Depression, Bipolar Disorder, Anxiety Disorders, Social Anxiety, Post-Traumatic Stress Disorder (PTSD), Obsessive Compulsive Disorder (OCD), and ADHD. She emphasizes treating each patient as a whole person, considering life stressors, personal goals, and overall functioning, all within a nurturing and non-judgmental environment.
What you can expect in a first visit
Patients can expect their first visit with Dr. Sobhan to be thorough, compassionate, and patient-centered. She takes time to actively listen and fully understand each individual's symptoms, stressors, goals, and personal needs. Dr. Sobhan emphasizes creating a trusting, non-judgmental environment and collaborates closely with patients to develop tailored treatment plans that support them in achieving their optimal mental health and well-being.
Why Talkiatry?
We’re a virtual mental health practice that makes it easy to find great care. We combine quality and convenience to help you thrive—faster. Our providers, like this one, are highly trained experts who specialize in medication management and collaborate with you on a treatment plan that fits your needs and comfort level.

Steven Solomon, DO
Staff Psychiatrist
Dr. Solomon is a double board-certified psychiatrist in Psychiatry and Child and Adolescent Psychiatry. He completed medical school in his home state at Ohio University Heritage College of Osteopathic Medicine, where the focus on mind-body connection now fits seamlessly into holistically minded patient care. Dr. Solomon then completed General Psychiatry residency and Child and Adolescent Psychiatry fellowship at the University of Colorado, where he was Chief Fellow focused on improving resident/fellow experiences and ensuring all medical students took a firm grasp of psychiatry into their futures. Having worked with patients across their lifespans allows Dr. Solomon to take a well-rounded approach to identifying issues with his patients, especially in family settings. Prior to joining Talkiatry, Dr. Solomon worked in a residential treatment center for teenagers with eating disorders, gaining significant experience with challenging patients and their families. Dr. Solomon uses a variety of therapeutic approaches (supportive, CBT, DBT, psychodynamic) in combination with medication management to help patients identify and develop treatment plans towards their own unique goals. No problem too big nor too small, Dr. Solomon looks forward to helping you get there!

Thomas Spina, MD
Staff Psychiatrist
Dr. Thomas Spina is an adult psychiatrist who began his practice at Talkiatry after completing his psychiatry residency at the Eastern Long Island branch of Stony Brook University, where he treated a diverse patient population. Dr. Spina received his undergraduate degree from St. John's University in Queens where he studied Philosophy. Initially interested in a career in law, Dr. Spina decided to change gears and pursue a career in medicine after watching a relative struggle with her diagnosis of Diabetes Mellitus. Dr. Spina then completed medical school at Tel Aviv University in Israel, where he fell in love with psychiatry during his clerkship at Ichilov medical center. During that rotation, he came to appreciate how each patient has his or her own unique story, regardless of their diagnosis. Dr. Spina favors a holistic and integrative approach to psychiatry, combining medication management with supportive therapy, elements of cognitive behavioral therapy, while remaining open to other treatment modalities depending on the needs of his patients. When more focused therapy is indicated, Dr. Spina may recommend that his patient work with a provider specializing in a particular modality of therapy as part of their treatment. Dr. Spina treats adult patients with mood disorders including major depressive disorder and bipolar disorder, anxiety spectrum disorders, OCD, PTSD and specific phobias. In his spare time, Dr. Spina enjoys a variety of hobbies, including Brazilian Jiu-Jitsu, running, baseball, and exploring new eateries and shops.
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Sherra StClair, PMHNP
Staff Nurse Practitioner
Sherra St. Clair is a board-certified Psychiatric Mental Health Nurse Practitioner with over a decade of experience supporting individuals with a wide range of mental health concerns. Her areas of expertise include attention deficit hyperactivity disorder (ADHD), depressive and anxiety disorders, obsessive-compulsive disorder (OCD), bipolar disorder, and trauma-related conditions.
She completed her advanced nursing degree at the University of Wyoming, where she was recognized for her compassionate and welcoming approach to patient care. Before becoming a nurse practitioner, Sherra was inspired to pursue further education while working as part of an inpatient treatment team that included psychiatrists, psychologists, patients, and their families. Witnessing the profound improvements patients experienced after a crisis motivated her to transition toward outpatient and preventative care.
Prior to her nursing career, Sherra worked as a medical illustrator and animator, having studied at the University of Michigan’s medical school. She enjoyed creating educational materials for patients, physicians, and attorneys.
Sherra is passionate about working with individuals of all genders and socioeconomic backgrounds. She uses a collaborative, strengths-based approach that incorporates evidence-based medication management, psychotherapy, and patient education. She believes each person is the expert in their own life and strives to empower individuals to build on their self-worth, progress, and potential.

Charles Stanfa, DO
Staff Psychiatrist
Dr. Chuck Stanfa is a board-certified psychiatrist who genuinely enjoys helping people. He has practiced in a wide range of settings, including both outpatient and inpatient during the past 10 years. He studied medicine at the University of Medicine and Dentistry of New Jersey. He completed his psychiatry residency training at Drexel University College of Medicine in Philadelphia. He went on to complete a Community Psychiatry Fellowship at the University of Pennsylvania and has continued to serve the greater Philadelphia area.
Dr. Stanfa tries to take a person-centered approach to psychiatry. He spends time getting to know each person and is easy to talk to. He takes a collaborative approach to medication management and provides supportive therapy. He believes that the relationship is one of the most important aspects of treatment. He is open to working with most diagnoses including Mood Disorders, Anxiety Disorders, PTSD, ADHD, Personality Disorders, and others. He will work with each person to develop a treatment plan that works for them.

Elliott Stanley, DO
Staff Psychiatrist
Dr. Stanley began in rural Mississippi, where he witnessed the events of 9/11 unfold during middle school. He graduated high school in 2005, only to soon experience Hurricane Katrina at the start of his freshman year of college. While attending medical school at Kansas City University, Dr. Stanley joined the United States Air Force and later completed his psychiatric residency in a combined civilian–military program affiliated with Wright-Patterson AFB. His training placed a strong emphasis on psychotherapy, spanning approaches such as psychodynamic therapy, cognitive behavioral therapy (CBT), motivational interviewing, and attachment theory.
After being forward deployed to Okinawa, Japan, he became a board-certified psychiatrist through the American Board of Psychiatry and Neurology (ABPN). Just before the global spread of COVID-19, he was promoted to lead the Alcohol and Drug Abuse Prevention and Treatment (ADAPT) program. While stationed at Tokyo AFB, he became the medical director of the base’s entire mental health clinic.
Upon returning stateside and completing his military service, he went on to serve a community deeply affected by addiction, severe mental illness, and homelessness
The initial consultation is essentially a getting-to-know-you session rooted in the biopsychosocial model. As humans, we are far more than one-dimensional beings. As your story unfolds, it helps form a three-dimensional picture of who you are, allowing us to begin navigating the next steps together.
Dr. Stanley takes a human-centered, collaborative approach to care, focusing on your unique story and your goals. His work combines evidence-based treatments, tailored to your needs. You can expect a respectful, nonjudgmental space where we work together toward both symptom relief and foster a deep, meaningful life.

Lawrence Stansberry IV, MD
Staff Psychiatrist
Dr. Stansberry holds the position of staff psychiatrist at Talkiatry. He is board-certified in Adult Psychiatry by the American Board of Psychiatry and Neurology. Stansberry's practice focuses on medication management and also incorporates supportive therapy techniques, typically in 30-minute follow-up visits. In some cases, Dr. Stansberry may believe that additional therapy is also needed and ask that you bring a therapist into your care team. Dr. Stansberry received his medical degree from the Louisiana State University Health Sciences Center in New Orleans. He completed his residency training through the Louisiana State University/Ochsner Health Foundation Psychiatry Residency program. He has experience working in inpatient, emergency, and consult-liaison psychiatry but particularly enjoys the opportunity to work longitudinally with patients in the outpatient setting.**THIS PROVIDER CANNOT PRESCRIBE CONTROLLED SUBSTANCES FOR LOUISIANA PATIENTS**

Marnie Stefan, MD
Staff Psychiatrist
Background and credentials
Dr. Stefan is a psychiatrist with extensive experience in outpatient care, inpatient care, and assertive community treatment. She has served as a medical director for large institutions, overseeing the treatment of individuals with complex mental illnesses. Born and raised in Puerto Rico, she is fluent in both English and Spanish. She earned her medical degree from the University of Puerto Rico School of Medicine and completed her psychiatry residency at the University of Florida, where she received recognition for her skills as a psychotherapist.
Treatment approach
Dr. Stefan is deeply committed to patient-centered care, adapting her role to the individual needs of each patient. She believes in treating the whole person, rather than just a diagnosis, recognizing that each patient has unique psychosocial circumstances. She has a strong foundation in psychotherapeutic interventions and is dedicated to providing engaging, compassionate, and meaningful therapy in every patient interaction. With over 10 years of experience as a psychiatrist, she has worked extensively in telemedicine since 2013, ensuring that remote care is as effective and personal as in-person visits.
What you can expect in a first visit
Patients meeting Dr. Stefan for the first time can expect a comprehensive and holistic evaluation that considers their symptoms, personal history, and life circumstances. She takes the time to build strong therapeutic relationships, fostering a caring and engaging environment where patients feel understood and supported. Whether through telemedicine or in-person care, she prioritizes personalized treatment plans that integrate medication management and psychotherapy, ensuring the highest quality of care tailored to each patient’s needs.
Why Talkiatry?
We’re a virtual mental health practice that makes it easy to find great care. We combine quality and convenience to help you thrive—faster. Our providers, like this one, are highly trained experts who specialize in medication management and collaborate with you on a treatment plan that fits your needs and comfort level.

Mary Stephenson, MD
Staff Psychiatrist
Dr. Mary Stephenson is a board-certified Child and Adolescent Psychiatrist with more than 25 years of clinical experience working with this population. Dr. Stephenson's practice focuses on medication management. She believes that the support and involvement of the family are an integral part of the treatment of the client. Additionally, more therapy support may be needed on occasion, and the recommendation to bring a psychotherapist on the care team may occur to provide an optimal outcome. She received her medical degree from Wright State University in Dayton, Ohio. She completed her psychiatry residency at the University of Louisville School of Medicine, and her child and adolescent training at the Bingham Child Guidance Center, also part of the University of Louisville, in Louisville, Kentucky. After completion of her training, she moved to Colorado where she worked at The Cleo Wallace Center, in Westminster, CO, providing care for hospitalized youth, and clients in the Day Treatment and Residential setting. In 2000, Dr. Stephenson became the primary Child and Adolescent Psychiatrist on the outpatient team at Denver Health Medical Center in Denver, Colorado. Her role was providing diagnostic evaluations, and medication management in Federally Qualified Health Centers (FQHCs), and the hospital clinic, working closely with residents, child fellows, and other trainees. She had an academic appointment through the University of Colorado School of Medicine. She treated a varied demographic and had a wide range of diagnoses in the child and adolescent population. From 2016-2021, she worked at Intermountain Health Center in Tucson, AZ providing care in the outpatient setting of the community mental health center. The care was a hybrid model of "in-person” and Telehealth treatment of children and adolescents with various disorders, with an emphasis on diagnostic evaluations of Autism and Autism spectrum disorders.

Michael Stoddard, MD
Staff Psychiatrist
LANGUAGES
English
CONDITIONS TREATED
ADHD, Anxiety, Bipolar Disorder, Depression, PTSD/Trauma
Education and Training:
University of Arizona College of Medicine - Tucson, MD
University of Arizona College of Medicine - Phoenix, Residency
Dr. Stoddard earned his medical degree from the University of Arizona College of Medicine - Tucson and completed his residency at the University of Arizona College of Medicine - Phoenix. He is board-certified in psychiatry and provides care for adult patient populations. Prior to his career in medicine, he proudly served in the U.S. Air Force.
Although Dr. Stoddard specializes in medication management of psychiatric conditions, supportive psychotherapy is often incorporated into his visits, as he believes a combined approach leads to a more robust treatment response. Additionally, he aims to enhance wellness through discussion of lifestyle modifications that emphasize quality sleep, a healthy diet, and regular exercise.
Initial appointments consist of a psychiatric evaluation and discussion of evidence-based treatment options. If telehealth is deemed to be an appropriate modality and pharmacotherapy is recommended, discussion will consist of selecting a suitable medication to address target symptoms while minimizing adverse effects. Follow-up visits focus on assessing treatment response and adjusting regimens to optimize outcomes.

Ciara Styles, MD
Staff Psychiatrist
Dr. Ciara Styles is a board-certified adult psychiatrist. Originally from Orlando, Florida, she’s a proud “Double-Gator” completing both her undergraduate and medical school training at the University of Florida. She completed her psychiatric residency at the Medical University of South Carolina, where she also recently finished a fellowship in child and adolescent psychiatry. She plans to complete her child board certification later this year. She enjoys treating patients of diverse and minoritized backgrounds. She has experience related to the special needs of the LGBTQ+ population, pregnant & postpartum people, and neurodivergent youth.
Dr. Styles employs a warm, patient-centered approach to treatment. She connects with patients by “matching their energy,” creating a foundation of trust before exploring difficult conversations. She also values input from loved ones and encourages collaborative appointments to optimize treatment outcomes.
Her process begins by creating a safe, supportive space where patients feel heard and respected. Early sessions focus on building rapport and gaining a clear understanding of the patient’s background, interpersonal relationships, and goals for treatment. From there, she collaborates with each patient to develop a personalized treatment plan aiming to use the lowest amount of medication needed to support and improve overall well-being.

Philip Sullivan, MD
Staff Psychiatrist
*THIS PROVIDER CANNOT PRESCRIBE CONTROLLED SUBSTANCES FOR NH PATIENTS* Doctor Phillip Sullivan is a staff psychiatrist at Talkiatry. He is board certified in both adult psychiatry and child and adolescent psychiatry. His interest in psychiatric treatment was originally triggered by the humanistic writings of Abraham Maslow, Carl Rogers, and Rollo May. As he earned his medical degree and started post-graduate psychiatric training, he went on to learn psycho-pharmacological, cognitive-behavioral, and psychodynamic treatment approaches. He combines these perspectives in diagnosing and treating psychiatric conditions including depression, bipolar spectrum disorders, anxiety, stress and trauma related disorders, adjustment problems, maternal mental health, OCD, ADHD and other disorders. His practice focuses on supportive pharmacological treatment, and he sees listening and empathy as essential elements of the treatment process. He strives to provide a comfortable experience in which doctor and patient work together to understand the presenting problems, develop a treatment plan, reduce symptoms, and optimize functioning. Doctor Sullivan supports and encourages concurrent psychotherapy and will work collaboratively with therapists to optimize the best treatment results. Doctor Sullivan received his MD degree from Brown University Alpert School of Medicine. After completing a medical-surgical internship, he went on to a residency in adult psychiatry and a fellowship in child and adolescent psychiatry at Harvard Medical School's Massachusetts Mental Health Center. He has held academic appointments at Harvard Medical School and the University of New England School of Osteopathic Medicine. In the 36 years following completion of his training, he has worked as the medical director of a mental health center on the under-served Eastern Shore of Maryland, as the medical director of a child and adolescent psychiatric inpatient unit, as a staff psychiatrist at New Hampshire's Dartmouth Hitchcock Clinic, and as the medical director of child and adolescent psychiatric services at Concord New Hampshire's mental health center. Before joining Talkiatry, he served for 18 years as the chief of psychiatry at Southern New Hampshire Medical Center where he also spent three years as the hospital's chief of staff.

Mark Sundahl, MD
Staff Psychiatrist
Dr. Mark Sundahl is a board-certified adult psychiatrist. He was born and raised in the suburbs of Kansas City, Kansas. He has always been fascinated by the natural world and received a bachelor’s degree in biology at Kansas State University where he was active in a research lab investigating protein function in the human body. He completed medical school training and residency at the University of Kansas School of Medicine in Kansas City, Kansas along with Wichita, Kansas. Dr. Sundahl has experience working with a broad range of mental health symptoms and a diverse patient population
Dr. Mark Sundahl is a board-certified adult psychiatrist. He was born and raised in the suburbs of Kansas City, Kansas. He has always been fascinated by the natural world and received a bachelor’s degree in biology at Kansas State University where he was active in a research lab investigating protein function in the human body. He completed medical school training and residency at the University of Kansas School of Medicine in Kansas City, Kansas along with Wichita, Kansas. Dr. Sundahl has experience working with a broad range of mental health symptoms and a diverse patient population
Dr. Sundahl understands the importance of collaboration and the therapeutic alliance when working with patients. He will clearly explain his findings and discuss treatment options he feels are reasonable. Dr. Sundahl thinks it is important for patients to have all the necessary information to make informed decisions when it comes to their psychiatric treatment.
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Amit Suneja, MD
Staff Psychiatrist
Dr. Suneja practices psychiatry through a collaborative, integrative, disability and healing justice-informed lens. He rejects oversimplified binaries, recognizing that healing requires embracing complexity. His training includes Columbia, Johns Hopkins, and a global mental health fellowship at UCSF. His clinical interests include anxiety, OCD, women’s reproductive mental health, climate stress, intergenerational trauma, immigrant and refugee mental health, and substance use concerns. Based in Tucson, he enjoys desert life, reading, baking, making art, and spending time with his two dogs.
Dr. Suneja provides a healing space that prioritizes each service user’s goals and lived experiences. His approach integrates psychiatric and psychotherapeutic practices with complementary, alternative, and natural therapies, as well as harm reduction. His approach is neurodivergence-, queer-, and gender-affirming as well as trauma-informed. Rejecting the binary of “mentally ill” vs. “mentally healthy,” he recognizes the mind, body, and soul’s inherent complexity.
Dr. Suneja tailors care to each service user. The first session explores goals, treatment options, and optimal meeting frequency. In many cases, visits are more frequent at the beginning of treatment and spaced out over time. He prefers visits at least every 4-6 weeks and integrates psychotherapy into all treatment plans, with many service users benefiting from ongoing deeper therapeutic work.
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Ayanna Swinton Jamison, MD
Staff Psychiatrist
Dr. Ayanna Swinton Jamison is a board-certified psychiatrist with over 18 years of experience in general, as well as child and adolescent psychiatry. She has extensive experience in counseling, and medication management. Dr. Jamison is committed to educating her patients about their illness and providing personalized care for each patient. Dr. Jamison received her undergraduate degree from Jackson State University. She graduated from Saint Louis University Medical School and completed her residency training in general psychiatry and child and adolescent psychiatry at the University of South Carolina. Dr. Jamison is a proud mom of four who enjoys spending time with her family, and attending her kids' sports events.

Faizan Syed, MD
Staff Psychiatrist
Dr. Faizan Syed is a board-certified attending psychiatrist who graduated from St. George's University School of Medicine in 2012. He completed his residency in adult psychiatry at Creedmoor Psychiatric Center, an affiliate of Columbia University, in June 2016 .Dr. Syed was born in Karachi, Pakistan, and has lived transnationally in the United States, the Caribbean, the United Kingdom, and the Middle East throughout his life. He is currently based in Queens, NY, and alongside his professional development in his career as a psychiatrist, he has also worked to develop himself personally through writing. As a poet, essayist, and author, he has been published numerous times, and he maintains connections with his community through his participation in a group known as the Queens Poetic Alchemy Collective. He has spoken out publicly against the cultural stigma against mental health that has become a barrier to seeking and finding help. He has also been featured on Humans of New York. Dr. Syed believes strongly in the power and importance of psychotherapy as part of the therapeutic process. As such, he integrates individualized psychotherapy for each patient he sees and tailors various techniques to suit each patient's needs. He believes in an integrative, holistic approach that borrows from and blends various schools of psychology, philosophy, and neuroscience, including mindfulness, existentialism, cognitive-behavioral therapy, dialectical therapy, psychodynamics, genetics, and psychopharmacology. In addition, he is a great believer in the therapeutic power of the arts, whether it is visual arts, music, bibliotherapy, or expressive writing. Dr. Syed focuses on exploring the role of meaning in every patient's life so they can define and fulfill their potential in many areas of life. He has experience working with patients of all ages who have struggled with trauma, relationship or attachment issues, bipolar disorder, depression, anxiety, panic attacks, psychosis, and personality disorders.

Shahan Syed, MD
Staff Psychiatrist
Dr. Shahan Syed is a Board-Eligible Psychiatrist who offers personable, compassionate, and empathetic care. Before completing his residency in psychiatry, Dr. Syed graduated from International American University College of Medicine and recently completed his residency at Bergen New Bridge Medical Center in Paramus, NJ. He gained experience as a clinical researcher, emergency medical technician, and a registered nurse in both psychiatric and emergency departments prior to his formal training. This diverse background equipped him with valuable tools to deliver empathetic care to a wide range of patients with experience treating anxiety disorder, traumatic disorders, depressive and bipolar disorders, substance use disorders, ADHD, OCD, and psychotic disorders. During his residency, Dr. Syed also took on the role of chief resident, demonstrating a remarkable ability to educate both his patients and colleagues. Throughout his residency, Dr. Syed actively pursued additional training opportunities at various safety net hospitals in New Jersey to care for underserved populations.
Dr. Syed places significant importance on collaborating with patients and all relevant parties to gain a comprehensive understanding of the factors affecting the patient's life before making treatment recommendations. Additionally, Dr. Syed emphasizes the importance of lifestyle, sleep, mindfulness, and nutrition, and their impact on overall mental health. He has experience in utilizing interpersonal and supportive psychotherapy, along with principles of motivational interviewing and cognitive-behavioral therapy, to foster resilience and meaningful change in partnership with other mental health professionals involved in patient care.
Dr. Syed employs a range of therapeutic methods alongside medication management to ensure a thorough and holistic approach for every patient. His goal is to create a safe environment that encourages healing and wellness, enabling individuals to remain motivated and live their lives to the fullest.

Emily Sykes, MD
Staff Psychiatrist
Dr. Emily Sykes is a board-certified adult psychiatrist. She received her Bachelor of Arts degree with Magna Cum Laude distinction from Carleton College, where she majored in biology. Dr. Sykes completed her Doctor of Medicine degree from the University of Toledo. She completed her psychiatry residency at the University of Cincinnati and was the outpatient chief resident physician. Dr. Sykes' specialty interests include mood disorders, anxiety disorders, post-traumatic stress disorder (PTSD), obsessive-compulsive and related disorders, Cognitive-Behavioral Therapy (CBT) and holistic wellness. She is a certified Cognitive Processing Therapy (CPT) provider for PTSD. Dr. Sykes provides compassionate, evidence-based, individualized, holistic care for patients suffering from a variety of mental health diagnoses and concerns. She incorporates supportive therapy, cognitive-behavioral therapy and solutions-focused therapy into her sessions.

Peter Szeibel, MD
Staff Psychiatrist
Dr. Peter Szeibel is board certified in adult psychiatry and has been practicing for over 36 years. His practice has focused primarily on medication management within the context of a supportive psychotherapeutic relationship. He also utilizes cognitive behavioral techniques. If the patient requires more intensive psychotherapy, Dr. Szeibel refers the patient to a therapist and collaborates with the therapist. Dr. Szeibel has experience in treating Depressive Disorders, PTSD, Panic Disorder, OCD, Bipolar Disorder, ADHD, and many other conditions. He feels his personal strengths include his inquisitiveness, scientific curiosity, and his desire to understand his patients better. Dr. Szeibel was born in Hungary, just a few months before the Hungarian Revolution against the Soviets broke out in 1956. He and his family fled under difficult circumstances and immigrated to the United States. Dr. Szeibel grew up in New York City. He attended The Bronx High School of Science, followed by Columbia University for his B.A., where he took a double major in chemistry and music. After obtaining his M.D. from S.U.N.Y in Syracuse, he returned to New York City for residency and fellowship training. During this time he won the Bendheim Fellowship Award at Cohen Children's Medical Center for his research study which examined the effects of background music on the academic performance of children with ADHD. His current areas of interest include adult ADHD, psychiatric and medical co-morbidities, and the LGBTQ population.

Absar Tahir, MD
Staff Psychiatrist
Dr. Absar Tahir is an adult psychiatrist double-boarded in psychiatry and internal medicine who specializes in evidence-based, holistic, and individualized care. He graduated from the University of Alabama at Birmingham, where he earned both his undergraduate and medical degrees. Dr. Tahir completed sequential residency training in both internal medicine at the Mayo Clinic in Rochester, Minnesota, followed by psychiatry at Emory University in Atlanta, Georgia. Dr. Tahir integrates his knowledge of psychiatry and internal medicine to address the complex interplay between mental and physical health, ensuring a comprehensive and thoughtful approach to diagnosis and treatment. Throughout his career, he has helped patients from all walks of life, from diverse backgrounds, with a compassionate and empathetic treatment style. He strives to ensure his patients feel their voice is heard while working collaboratively towards achieving their treatment goals. As a psychiatrist, he specializes in the treatment of depression, anxiety disorders, bipolar disorder, obsessive-compulsive disorder (OCD), post-traumatic stress disorder (PTSD), and attention-deficit/hyperactivity disorder (ADHD). He is also highly experienced in treating psychiatric problems in patients with medical comorbidities.

Nilesh Tannu, MD
Staff Psychiatrist
Background and credentials
Dr. Nilesh Tannu is a board-certified psychiatrist by the American Board of Psychiatry and Neurology. He earned his medical degree from B.J. Medical College in Pune and completed his adult psychiatry residency at the University of Texas Medical School at Houston, where he served as chief resident. During his training, he received awards from the Society of Biological Psychiatry, the American Academy of Addiction Psychiatry, and the American Psychiatric Institute for Research and Education. He has been practicing General Psychiatry and Consultation-Liaison Psychiatry for the past seven years at Texas Medical Center in Houston, Texas. Additionally, he has served as an assistant professor of psychiatry at the Texas Medical Center, working at UT Physicians Clinics and Memorial Hermann Hospital. He is also a member of the Editorial Board for BMC Genomics Journal.
Treatment approach
Dr. Tannu follows the bio-psycho-social model to provide evidence-based psychopharmacologic treatment. He integrates supportive therapy and cognitive-behavioral therapy (CBT) modalities into his practice to create personalized and comprehensive treatment plans. He is committed to mental health care, education, and helping patients achieve optimal functioning in their personal and professional lives. His clinical expertise includes ADHD, anxiety disorders, depressive disorders, bipolar disorder, psychotic disorders, insomnia, eating disorders, and complex medical comorbidities.
What you can expect in a first visit
During the first visit, patients can expect a comprehensive assessment where Dr. Tannu takes the time to understand their symptoms, treatment history, and personal goals. He employs a collaborative approach to develop a tailored treatment plan that may include medication management and therapy interventions. His focus is on evidence-based care, ensuring that patients receive treatments that are scientifically backed and aligned with their individual needs.
Why Talkiatry?
We’re a virtual mental health practice that makes it easy to find great care. We combine quality and convenience to help you thrive—faster. Our providers, like this one, are highly trained experts who specialize in medication management and collaborate with you on a treatment plan that fits your needs and comfort level.

Mustafa Taquee, MD
Staff Psychiatrist
Dr. Mustafa Taquee is a board-certified Adult Psychiatrist. After receiving his undergraduate degree from Wayne State University in Detroit, he completed his medical degree at Oakland University William Beaumont in Rochester, MI. He is a graduate of the Adult Psychiatry Residency Program at St. Mary Mercy Hospital in Livonia, MI. As a testament to Dr. Taquee's desire to help patients reach their full potential, he has also completed a psychotherapy fellowship through the Michigan Psychoanalytic Institute. Dr. Taquee believes that every patient brings their own mosaic of experiences embedded in a unique story. He understands that building a strong therapeutic relationship through empathy, compassion, trust, and respect is essential. He enjoys taking time to understand his patient's goals, offer psychoeducation, and create a collaborative plan for treatment with the patient. He believes in a holistic approach to mental health treatment, which includes medication management, supportive and cognitive behavioral therapy techniques, as well as mind-body medicine techniques. He also has a special interest in psychodynamic therapy, an in-depth therapy modality, which he incorporates in all patient interactions and sessions. Due to the diversity and richness of culture in southeast Michigan, Dr.Taquee has experience working with patients from varied backgrounds. He enjoys the challenge such a heterogeneous environment brings and is particularly fond of working with young adults experiencing life transitions. He also has experience working with patients from lower socioeconomic backgrounds, as well as adolescents and geriatric populations.

Tetyana Tarnavsky, MD
Staff Psychiatrist
Dr. Tetyana Tarnavsky is a board-certified psychiatrist trained in Adult Psychiatry. She attended Dnipropetrovsk State Medical Academy in Ukraine where she received her M.D., M.S. and Ph.D. degrees in Psychiatry. Dr. Tarnavsky completed her residency at Harvard South Shore Psychiatry Residency Training Program in MA, where she was elected chief resident. Dr. Tarnavsky has an extensive research experience in Ukraine and the USA. She had studied computer addiction for her dissertation; had multiple abstracts and presentations; published several articles in peer-reviewed psychiatric journals as well as a book entitled Computer Addiction: Formation, Diagnosis, Correction and Prophylaxis. She has helped organize international conferences with the goal of improving access to and quality of healthcare in Dnipropetrovsk, Ukraine, and providing a national model for health care reform. Dr. Tarnavsky has worked with a variety of patients with diverse backgrounds in a Community Health Center and in the Partial Hospitalization Program as well as supervised medical students, psychiatry residents, and nurse practitioners. She has been a lecturer on psychiatry at Harvard Medical School and was involved in the training of psychiatry residents in the Harvard South Shore Psychiatry Training Program. Her primary focus has been on treating adults with depression, anxiety, post traumatic stress disorder, adjustment disorder, ADHD and other disorders. Dr. Tarnavsky strives to provide quality and compassionate treatment to individuals and their families.

Ashlyn Tellers, PMHNP
Staff Nurse Practitioner
Ashlyn Tellers is a board-certified Psychiatric Mental Health Nurse Practitioner. She earned her nursing degree with an emphasis in psychiatry in 2020 from the University of Arizona. With over twelve years of experience, she has cared for mental health patients across long-term care, inpatient, residential, and outpatient settings.
Ashlyn specializes in treating adults with depression, anxiety disorders, bipolar disorder, ADHD, and OCD through medication management and supportive therapy. She emphasizes patient education and works collaboratively to build therapeutic and safe treatment plans. She encourages open discussions about past mental health history and current stressors to help identify root causes and develop healthy coping strategies. When appropriate, she refers patients to therapists for more specialized care.

Ekaterini Telonis, MD
Staff Psychiatrist
Dr. Telonis is a board-eligible adult psychiatrist who had been in practice for four years. Her focus is on using a collaborative approach and shared-decision making to help patients achieve their treatment goals. Dr. Telonis typically provides monthly 30-minute follow-ups with a focus on medication management and supportive therapy. In some instances, she may recommend a separate therapist to help facilitate the best care possible. Dr. Telonis earned her bachelor's degree in History of Art from Johns Hopkins University and then completed her master's at King's College London in international development with a focus on climate change. She received her medical degree from St. George's University School of Medicine and completed her psychiatry training at Mount Sinai Morningside and West Hospitals. Dr. Telonis has worked with a diverse patient population while training at Mount Sinai Morningside.

Bryce Thacker, PMHNP
Staff Nurse Practitioner
Bryce Thacker grew up in a rural community, where he learned the value of helping others achieve their best selves to support overall community health and well-being. With a passion for helping people live their best lives, he earned his undergraduate degree in biology from the University of Nebraska and completed his nursing education at Creighton University. He went on to earn a Master of Science in Nursing, specializing as a Family Nurse Practitioner and in Community Health, from Creighton University, and later completed a nursing practice degree at the University of Colorado with a focus on population and community health. He also holds a post-graduate certification in psychiatric mental health from Washburn University.
Bryce practiced family medicine for 18 years before transitioning to psychiatric mental health in 2022. His background in both physical and mental health gives him a holistic perspective on care. Since shifting his focus, he has helped individuals improve their quality of life through medication management for mood disorders, PTSD, anxiety, ADHD, and other mental health conditions. He continues to live in a rural community with his family and remains committed to helping people become their best selves.
Bryce believes that each person’s “best self” is unique and that mental health care should meet individuals where they are. He emphasizes a collaborative, client-centered approach, always keeping the individual’s goals at the heart of care. He is dedicated to helping clients identify and overcome the symptoms and stressors that interfere with their well-being, and he works to dismantle limiting beliefs or labels that may have been placed on them.
By taking the time to understand each person’s challenges and aspirations, Bryce helps clients find sustainable, holistic paths to wellness. His care is grounded in empathy, respect, and a deep commitment to supporting each person’s journey toward a fulfilling and balanced life.
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Ian Thistlethwaite, MD
Staff Psychiatrist
Dr. Thistlethwaite is a board eligible adult psychiatrist and internal medicine physician. He completed his medical education at West Virginia University School of Medicine. Following completion of medical school, Dr. Thistlethwaite completed residency training at WVU/Charleston Area Medical Center with a dual specialization in internal medicine and psychiatry. Dr. Thistlethwaite's training included treatment of patients both in the inpatient and outpatient setting as well as management of patients with comorbid medical conditions. During his training Dr. Thistlethwaite became passionate about approaching patients in a holistic manner that addressed both their physical and mental health. He is especially passionate about ensuring that patients with mental health disorders are provided with appropriate general medical care as they are a marginalized and underserved group. Dr. Thistlethwaite's practice focuses on medication management for a wide array of conditions including depression, anxiety disorders, bipolar disorder, obsessive compulsive disorder, tic disorder/Tourette's, and post traumatic stress disorder. Dr. Thistlethwaite incorporates supportive psychotherapy, cognitive behavioral therapy interventions, and some psychodynamic therapy skills in his practice as well. Dr. Thistlethwaite believes in a collaborative and holistic approach to mental healthcare that incorporates the patient as well as all members of the healthcare team in every aspect of care.

Upton Thomas, MD
Staff Psychiatrist
Dr. Upton Thomas is a board-certified psychiatrist who takes a warm, collaborative, and evidence-based approach to care. With a focus on treating mood disorders, anxiety, OCD, and substance use, he integrates psychopharmacology and psychotherapy to support patients in achieving meaningful change. He brings curiosity, creativity, and a deep respect for each individual’s story to his clinical work.
Patients often find Dr. Thomas easy to talk to and appreciate his calm, thoughtful demeanor. He emphasizes shared decision-making and believes that treatment works best when the patient’s values and voice are at the center. Dr. Thomas aims to create a safe space for honest dialogue and ongoing reflection as treatment evolves.
Dr. Thomas begins with a comprehensive evaluation to understand each patient’s mental health history, current concerns, and goals. He then develops an individualized treatment plan that may include medication, therapy, or both. He prefers to use the lowest effective dose of medications and often integrates psychotherapeutic strategies such as CBT, DBT, or insight-oriented work into his sessions.

Katelyn Thompson, DO
Staff Psychiatrist
Dr. Katelyn Thompson is board certified in Adult Psychiatry. Patients looking for a psychiatric provider will find that Dr. Thompson has a gentle and approachable style. She believes that each patient was created on purpose and for a purpose. The brain is deeply wired for resilience, and Dr. Thompson is blessed to witness this while supporting her patients. She focuses on medication management with supportive psychotherapy as she treats a wide variety of psychiatric diagnoses.
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Tara Thompson-Felix, MD
Staff Psychiatrist
Dr. Tara Thompson-Felix is a board-certified child, adolescent and adult psychiatrist. Dr. Thompson-Felix has specialized training in perinatal mental health and believes that improving outcomes during pregnancy and the postpartum period has a long-lasting impact on outcomes for a mother and child. She also specializes in treating a wide array of psychiatric conditions affecting children, adolescents, and young adults. Dr. Thompson-Felix's journey into medicine started in her undergraduate studies at Rutgers University. She earned her medical degree at Rutgers, Robert Wood Johnson Medical School and trained in adult psychiatry at Temple University Medical School. She completed her child and adolescent psychiatry fellowship at Yale School of Medicine. In addition to her clinical work, Dr. Thompson-Felix has extensive research experience in using neuroscience to understand the impact of maternal mental health on child development. She has authored several publications, presents her work nationally/internationally, and received numerous awards for her clinical work, research, and passion for teaching. Dr. Thompson-Felix believes that trust, communication, and respect between a patient and their physician is the foundation of effective treatment. Her style is welcoming, nonjudgmental, and collaborative. She evaluates mental health based on biological, psychological, and cultural aspects. She uses evidence-based treatments to manage psychiatric symptoms and promote optimal health.

Elizabeth Tiffany, MD
Staff Psychiatrist
Dr Elizabeth Tiffany is a compassionate psychiatrist who is boarded in psychiatry, addiction, and addiction medicine. She completed her residency in Psychiatry and Fellowship in Addiction Psychiatry at the University of Cincinnati in Ohio. Since completing fellowship in 2016, she has held several positions with the Department of Veterans' Affairs treating veterans with addictions and other mental health conditions. She has also worked for the University of Cincinnati providing psychiatric and addictions treatment to those admitted to the hospital for other medical concerns. She is passionate about education and was the addiction psychiatry fellowship director at both Oregon Health and Science University and University of Cincinnati, assisted in training general psychiatrists at both programs, and has given talks to physicians in various specialties to promote treatment of mental health concerns. While considered a well-rounded psychiatrist who enjoys working with patients from a variety of backgrounds and situations, she has extensive experience working with patients who have experienced trauma and those who have psychiatric concerns and may be using more alcohol or cannabis than they would prefer. Dr Tiffany is a personable, nonjudgmental psychiatrist who will collaborate with you to develop a personalized treatment plan that combines medication management with psychotherapeutic tools for a more whole person approach to your recovery.
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Caitlin Tillberg, MD
Staff Psychiatrist
Dr. Caitlin Tillberg (she/her) is a board-certified psychiatrist. She has a BA in musicology and cognitive science from Oberlin College, an MD from Quinnipiac University in Connecticut, and completed general adult psychiatry residency at Duke University. Dr. Tillberg practices patient-centered and trauma-informed care, valuing patient autonomy and collaborative decision-making, acknowledging the burden many people carry from intersecting oppressions. She believes therapy is important � often equally important as medication, or more � and will work together with you to make a realistic treatment plan that will fit into your life. Dr. Tillberg also has a niche working with people with complicated relationships with their bodies, whether due to disordered eating, gender dysphoria, chronic illness/disability, or trauma. She welcomes LGBTQ+ patients, including trans and non-binary adults. She also enjoys working with patients with OCD, as well as autistic/neurodivergent adults (including those seeking adult autism evaluation). Please note Talkiatry is most appropriate for autistic patients with Level 1 (or case-by-case Level 2) support needs and who are verbal. Regarding eating disorders: Please note that for patient safety, per Talkiatry policy, Dr. Tillberg is unable to work with patients with current active anorexia nervosa or bulimia nervosa (or significant relapse in the last 6 months), or with patients requiring current regular medical or lab monitoring for complications of binge-eating disorder or ARFID. Bariatric surgery patients are welcome if medically stable. Patients with current disordered eating that does not rise to the level of a formal diagnosis of anorexia or bulimia, or with a past history of anorexia or bulimia in sustained remission, will be evaluated on a case-by-case basis at the first appointment. Dr. Tillberg looks forward to meeting you.

Bryce Toburen, MD
Staff Psychiatrist
Dr. Bryce Toburen is a board-certified psychiatrist dedicated to compassionate, collaborative care across the lifespan. His training includes an MD from the Medical College of Wisconsin, residency at The Ohio State University where he served as Chief Resident, and a fellowship in Child & Adolescent Psychiatry at Nationwide Children's Hospital. Outside the clinic, he enjoys sports, tennis, exploring nature, traveling, and spending time with loved ones.
Each patient brings a unique story, and he strives to create a safe, respectful space where you feel heard and supported. His interest in psychiatry stems from a desire to maximize the well-being of patients and their families through strong therapeutic relationships. Compassion and curiosity guide his work, along with a strong belief in the power of connection and collaboration. You can expect open communication and a focus on your personal goals throughout your time together.
Treatment is personalized using evidence-based approaches that include psychotherapy, medication management, and lifestyle strategies. He specializes in addressing anxiety, depression, ADHD, OCD, and trauma-related concerns. Collaboration and trust are central to his approach, with an emphasis on empowering patients to take an active role in their healing and well-being.

Agnes Tolentino, MD
Staff Psychiatrist
Dr. Agnes Tolentino is a board-certified adult psychiatrist with over 20 years of practice experience. She obtained her undergraduate degree at the University of the Philippines and completed medical school at the University of the East. She finished her psychiatry residency at the Harvard South Shore program as chief resident in her final year. She has a strong background in psychotherapy as an adjunct to medication management. She has extensive experience in treating PTSD, medically ill patients, elderly patients and those with terminal illnesses. She spent the last 15 years treating the geriatric population and those adjusting to co-morbid medical problems.
She is an empathic listener and collaborative clinician, focused on treating the whole person. She emphasizes the need to use healthy coping mechanisms as well as lifestyle changes to complement medication management. In keeping with the “whole person” focus, the role of physical well-being is important. A thorough medical history will be obtained on your initial appointment.
Gathering a thorough psychiatric and medical history is paramount in a successful therapeutic relationship. And with time, a trusting therapeutic environment should be fostered.

Duy Tran, MD
Staff Psychiatrist
Dr. Duy Tran is a board-certified adult psychiatrist. He received his medical doctorate degree from the University of Texas Southwestern Medical School and completed his residency training in general psychiatry at the University of Michigan. Dr. Tran aims to provide mental health care that helps patients live more fulfilling lives. In his training, Dr. Tran gained extensive experience treating psychiatric disorders in diverse populations, including college students, LGBTQ+ individuals, perinatal women, veterans, and those with socioeconomic disadvantages. He has worked with experts on cases of treatment-resistant depression and provided consultations for patients considering procedural interventions, such as transcranial magnetic stimulation (TMS), electroconvulsive therapy (ECT), and ketamine infusion therapy. Although Dr. Tran's practice primarily focuses on medication management, he uses a holistic approach in developing individualized treatment plans. He typically incorporates elements of various psychotherapy modalities, including supportive, cognitive behavioral (CBT), dialectical behavioral (DBT), and insight-oriented therapy, in 30- or 45-minute follow-up visits. Occasionally, Dr. Tran may believe that more intensive therapy is needed and recommend that you bring a dedicated therapist into your care team for an optimal outcome.
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Lauren Treharn, PMHNP
Staff Nurse Practitioner
Lauren is a board-certified Psychiatric Mental Health Nurse Practitioner (PMHNP-BC) who earned her Master of Science in Nursing from Kent State University in 2020. She has experience treating a wide range of mental health conditions, including depression, anxiety, psychotic disorders, bipolar disorder, ADHD, OCD, PTSD, and substance use disorders.
Lauren’s approach combines medication management with psychotherapy to create a well-rounded, individualized treatment plan. She takes time to listen to her patients’ concerns, fostering a safe and open environment for dialogue. Her therapeutic methods include supportive therapy, motivational interviewing, and cognitive behavioral therapy. Recognizing that medication alone may not fully address the root causes of distress, she incorporates talk therapy, lifestyle changes, stress management, self-care strategies, supplements, and social health into her care plans.
With a laid-back, non-judgmental, and empathetic style, Lauren collaborates closely with patients to ensure their treatment aligns with their unique needs and goals. Every decision is grounded in evidence-based practices and patient-centered care.
Lauren begins with a comprehensive initial assessment, gathering detailed information about each patient’s mental and physical health history, lifestyle, symptoms, concerns, and goals. This assessment informs a potential diagnosis and serves as the foundation for a personalized treatment plan. Regular follow-up appointments are scheduled to monitor progress, make adjustments as needed, and provide ongoing support.

Peter Truong, MD
Staff Psychiatrist
*THIS PROVIDER CANNOT PRESCRIBE CONTROLLED SUBSTANCES FOR NH PATIENTS* Dr. Peter Truong is a board-certified psychiatrist trained in Adult Psychiatry. He received his medical degree from FIU Herbert Wertheim College of Medicine in Miami, Florida, and completed his residency training at Cambridge Health Alliance – Harvard Medical School.
Dr. Truong treats each patient with a holistic, evidence-based approach that incorporates psychopharmacological and psychotherapeutic best practices. His priority is to build a safe and trusting working relationship with each patient, keeping in mind their unique biological, psychological, social, and spiritual contexts.
Dr. Truong has extensive experience treating depression, anxiety, ADHD, and trauma-related disorders. He incorporates therapy modalities such as supportive, psychodynamic, CBT, and EFT. Other professional interests include LGBTQIA and college mental health, mindfulness, and interventional psychiatry. He has worked with individuals with diverse backgrounds from all walks of life.

Dung Truong, MD
Staff Psychiatrist
* THIS PROVIDER CANNOT PRESCRIBE CONTROLLED SUBSTANCES FOR MN PATIENTS * Dr. Dung ("Young”) Truong is board-certified in both psychiatry and family medicine. Prior to joining Talkiatry, he worked in a busy Minneapolis emergency room for 20 years. He cared for patients presenting in mental health crisis, treating their acute presentation and helping find solutions to their concerns, ranging from starting and adjusting medications to identifying and addressing contributing factors such as medical illness, substance use, and life stressors. Dr. Truong has extensive experience and can comfortably manage a wide range of illnesses and problems. He sees patients of all ages and ethnicities, including LGBTQ+ populations. He has interests in mood disorders during and after pregnancy, and immigrant and refugee mental health. Dr. Truong's approach is to help you ultimately feel better and move forward with a hopeful plan involving medication management, education about your illness, and therapy to manage your emotional and environmental stressors. He is known for his calm demeanor and his excellent instincts. He strives to meet your expectations. Recognizing the challenges and complexities of the mental health condition, he also encourages input from your established care provider, therapist, and loved ones who want to be involved in your care. He feels such collaboration provides optimal treatment .Dr. Truong has also worked as a psychiatrist in an integrated primary care clinic. He has taught and supervised medical students, psychiatric residents/fellows and family medicine residents. He has collaborated extensively with social workers, therapists, and other health care providers to achieve the best outcomes for his patients. He works on staying current with the latest evidence-based care and mental health treatments.

Rishell Tsujimoto-Ryzewski
Staff Psychiatrist
Dr. Tsujimoto-Ryzewski is a board-certified adult psychiatrist. She received her medical degree from the University of Nevada, Reno School of Medicine. She completed her residency at the University of Nevada, Reno School of Medicine, where she served as a chief resident during her last year of training. Dr. Tsujimoto-Ryzewski has treated patients with a wide variety of diagnoses both during her residency and after her training while working at a busy private practice clinic as well as for the Veterans Administration. Dr Tsujimoto-Ryzewski focuses on medication management and supportive psychotherapy. If she feels that additional therapy is needed, she will ask that you bring in a therapist as part of the treatment team. Dr. Tsujimoto-Ryzewski will work collaboratively with you in a caring environment to assist you in reaching your goals.

Tony Tu, MD
Staff Psychiatrist
Dr. Tony Tu is a board certified adult psychiatrist who emphasizes patient education and a psychodynamic approach to outpatient psychiatry. His passion for empowering patients with knowledge stems from his academic experience in psychiatry residency training. Dr. Tu's practice focuses on blending medication management together with psychotherapy. He also prioritizes collaboration with your therapist and encourages working together as a team. Dr. Tu is a graduate of the University of Chicago Pritzker School of Medicine where he completed an MD and PhD combined program which helped develop his "doctors as teachers” style of practice. Dr. Tu completed his psychiatry residency training at Loyola University Medical Center in Illinois. Dr. Tu served as an Associate Program Director of Loyola's Psychiatry residency training program for two years, and now maintains an Affiliate Assistant Professor of Psychiatry role with Loyola. He continues to contribute to residency training, as well as mentorship of medical students and psychology externs. Over the years, Dr. Tu has received several awards that demonstrate his affinity for teaching, including the Educator of the Year Award in 2022 from the Loyola Psychiatry Residency Program. Areas of specialization include psychopharmacology, patient-centered medicine, and combination treatment of psychiatry and psychotherapy. Dr. Tu understands that medications are not the end-all-be-all of treatment, but just the beginning. For trauma and acute stress, he understands that the journey starts at the tip of the iceberg, with much to explore as you feel more ready.

Cherie Tubeileh, PMHNP
Staff Nurse Practitioner
Cherie Tubeileh, PMHNP-BC, is a compassionate Psychiatric Nurse Practitioner dedicated to providing personalized, evidence-based mental health care. Cherie earned her master’s degree from the Medical College of Ohio and her post-master’s certification from Rush University. Outside of work, she enjoys hiking, yoga, and meditation, reinforcing her belief in the importance of balance and self-care.
With expertise in diagnosing and treating various conditions, she empowers patients through psychopharmacology and therapeutic interventions. Cherie embraces a holistic approach, recognizing the vital connection between mind, body, and spirit in the journey to mental wellness.
Her approach integrates evidence-based practices with a holistic understanding of everyone’s unique needs, ensuring personalized and effective care. Cherie has worked extensively with diverse populations, including individuals managing anxiety, depression, trauma, and mood disorders. She is skilled in psychopharmacology, therapeutic interventions, and patient education, fostering a supportive environment that empowers individuals on their journey to wellness.

Megan Tusken, MD
Staff Psychiatrist
Dr. Megan Tusken is a board-certified adult psychiatrist. She received her undergraduate degree from Brown University and her medical doctorate at the University of Chicago Pritzker School of Medicine. Prior to joining Talkiatry, Dr. Tusken completed residency training in general psychiatry at the University of Texas Southwestern Medical Center. Dr. Tusken provides evidence-based, patient-centered care and considers a trusting doctor-patient relationship integral to helping her patients achieve their treatment goals. During training, Dr. Tusken gained extensive experience in inpatient, consult, emergency room, and outpatient practice settings with culturally and socioeconomically diverse patient populations. She also elected to acquire additional experience with specific patient populations, including patients with treatment-resistant depression, substance use disorders, and sleep disorders, as well as LGBTQ+ individuals and older adults. Tusken's treatment approach is collaborative and holistic. She provides medication management for a variety of mental health conditions, with particular interest in mood and anxiety disorders. In addition to psychopharmacologic interventions, she firmly believes in the mind-body connection, and she incorporates psychotherapeutic techniques into her visits to provide the best, individualized care for each patient.

Jennifer Twing, MD
Staff Psychiatrist
Dr Jennifer Twing is a board-certified physician in Psychiatry. She completed her undergraduate studies in Neuroscience and Behavior at Vassar College in New York, medical education at Trinity College in Dublin, Ireland and Psychiatry Residency at the University of North Dakota in Fargo, ND. She has experience working in a variety of settings treating psychiatric conditions across the lifespan. She is also currently training to be certified in Psychedelic Assisted Psychotherapy.
Dr Twing has a warm approach to patient care, is easy to talk to and aims to cultivate a safe and comfortable atmosphere. She is empathetic and understanding, ensuring that her patients feel heard and are supported.
Her main focus is in treating anxiety, depressive disorders and trauma through medication management. She also integrates a holistic approach encompassing lifestyle, spiritual and nature-based healing practices to help reduce stress, improve mood, and enhance overall quality of life. She recommends that you work with a therapist or counselor as well to optimize treatment outcomes.

Michael Underriner, MD
Staff Psychiatrist
Dr. Michael Underriner is an adult psychiatrist. His approach to treatment is holistic, taking into account the entire person, and emphasizes the importance of the therapeutic bond to help people reduce suffering and achieve their goals. He is a member of the Gold Humanism Honor Society. Dr. Underriner's practice focuses on a mix of medication management, offered in conjunction with supportive therapy in 30-minute follow-up visits, and insight-oriented psychotherapy offered in weekly 45-minute visits. He works with people struggling with ADHD, depression, anxiety, obsessive-compulsive and related disorders, and difficulties with self-esteem and relationships. Occasionally Dr. Underriner may believe that additional therapy is warranted and recommend a separate therapist to provide the best outcome. He received his medical degree from the University of Chicago Pritzker School of Medicine and completed his residency training at New York University. During training, he gained experience treating patients with various psychiatric illnesses in several different clinics and hospital-based settings. He worked with experts in the field of depression and provided consultations for patients considering transcranial magnetic stimulation. He also published a review article on long-term injectable medications for psychosis. Dr. Underriner has maintained an interest in teaching and remains connected to the psychiatry department at NYU. He has supervised and taught junior residents and medical students. Additionally, he is interested in global health and disparities in access to care and has traveled to Ghana to teach medical students rotating through psychiatry at the university there.

Justin Uzl, MD
Staff Psychiatrist
Dr. Justin Uzl is double board-certified in adult and consultation liaison psychiatry. His fellowship training helped him gain greater insight into the interface between medicine and mental healthcare. He has been practicing for seven years and has worked closely with individuals with co-occurring chronic medical issues, specifically organ transplantation. Dr. Uzl takes a holistic approach to mental healthcare combining medication management, psychotherapy, and lifestyle modifications to help his patients achieve a quality of life that allows them to pursue their goals. He sees the position of the psychiatrist as helping to educate and guide patients, allowing them to take an active role in their own recovery. Dr. Uzl believes diversity is a strength and embraces providing high quality services that affirm the dignity, worth and value of all individuals including the LGBTQ+ community. Dr. Uzl takes an evidence-based approach in his treatment of individuals suffering with depression, anxiety, trauma, difficulty focusing and concentrating, sleep issues, and interpersonal problems. He utilizes insight-oriented care, believing that gaining understanding of a person's feelings, thoughts, and actions will provide them the knowledge needed to make the positive change they desire. Therapy may be a key part of a person's treatment, and if greater frequency is needed outside of sessions with Dr. Uzl, he will refer and collaborate with a psychotherapist to help maximize a patient's success.
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Ahmed Valdes, MD
Staff Psychiatrist
Dr. Ahmed Valdes is a board certified adult psychiatrist and burgeoning Geriatric Psychiatrist. After completing his undergraduate education at Florida State University, he attended medical school at the University of Miami Miller School of Medicine where he graduated with a combined M.D./M.S. in Genomic Medicine. He subsequently completed psychiatry residency at Jackson Health System/University of Miami and further subspecialized with a fellowship in Geriatric Psychiatry. Dr. Valdes has had the opportunity of working with a diverse array of patients including veterans, inmates, the severely mentally ill, geriatric, and cancer patients across three distinct hospital systems. Dr. Valdes has had varied clinical experiences in specialty inpatient psychiatry units (detox, geriatric, mood disorder), emergency psychiatry, consultation liaison psychiatry, psycho-oncology, and outpatient specialty clinics (HIV, dementia, integrative and collaborative care) via telemedicine and face to face interactions .Dr. Valdes has experience working with adults of all ages, particularly those with depression, anxiety, bipolar disorder, substance use disorders, PTSD, and more. Dr. Valdes employs empathic listening, supportive psychotherapy techniques, and a comprehensive and methodological approach to his visits. Given his broad and diverse training experiences, he enjoys problem solving and working collaboratively with patients to navigate their complex issues and jointly focusing on simple solutions to work towards improving their mental health.

Vanessa Valdes, MD
Staff Psychiatrist
Dr. Vanessa Valdes is an adult psychiatrist specializing in medication management and psychotherapy, with a strong focus on nutrition, wellness, and mindfulness. She earned her combined MD/MPH degree from the University of Miami Miller School of Medicine and completed her psychiatry residency at the University of Miami/Jackson Health System, one of the nation's leading public healthcare systems.During her residency, Dr. Valdes gained broad experience in diverse areas of psychiatry, including inpatient psychiatry, emergency psychiatry, outpatient care, psychotherapy, hypnosis, child and adolescent psychiatry, consultation-liaison psychiatry, psycho-oncology, and addiction psychiatry.Dr. Valdes primarily provides supportive psychotherapy and acceptance and commitment therapy to help patients better understand and address their stressors. She takes a holistic approach to care, emphasizing the emotional, spiritual, and physical well-being of her patients. Her goal is to inspire meaningful, sustainable changes in patients' lives through compassionate, comprehensive treatment.

Dennis Valerstain, MD
Staff Psychiatrist
Dr. Dennis Valerstain is a board-certified Adult and Child and Adolescent Psychiatrist. After completing his undergraduate education at Emory University, he attended medical school at the Northwestern University Feinberg School of Medicine. He subsequently completed psychiatry residency at University of Miami/Jackson Health System and further sub-specialized at University of Miami/Jackson Health System with a fellowship in Child and Adolescent Psychiatry. Dr. Valerstain has had the opportunity of working with a diverse array of patients including children, adolescents, the severely mentally ill, veterans, and cancer patients across three distinct hospital systems. Dr. Valerstain has had varied clinical experiences in specialty inpatient psychiatry units, emergency psychiatry, consultation liaison psychiatry, psycho-oncology, and outpatient clinics via telemedicine and face to face interactions. Dr. Valerstain has experience working with patients of all ages, particularly those with depression, anxiety, bipolar disorder, ADHD, Tic disorders, substance use disorders, and more. Dr. Valerstain's practice focuses on medication management and also employs empathic listening, supportive psychotherapy techniques, and a comprehensive and methodological approach to his visits. Given his broad and diverse training experiences, he enjoys problem solving and working collaboratively with patients (and their families) to navigate their complex issues and jointly focusing on simple solutions to work towards improving their mental health.

Alexander Van-Den-Ende, DO
Staff Psychiatrist
Dr. Alexander Van-Den-Ende is a board-certified adult psychiatrist who recently completed his psychiatry residency training at Authority Health in Detroit, Michigan. Beyond his proficiency in medication management, Dr. Van-Den-Ende has training in talk therapy and novel treatments like Transcranial Magnetic Stimulation. He is pleased with the increase in access to mental healthcare that comes through telemedicine, and is committed to providing high quality care to his patients. Dr. Van-Den-Ende's approach emphasizes patient insight and mindfulness, guiding individuals on a journey towards self-awareness and mental well-being.

Kaycia Vansickle, MD
Staff Psychiatrist
Background and credentials
Dr. Vansickle is a board-certified adult psychiatrist with over 25 years of clinical experience. She earned her medical degree from the University of Texas Health Sciences Center San Antonio and completed her internship at UAB. She then completed her psychiatry residency at the University of Louisville Hospital, where she served as chief resident and received a national award in community psychiatry. Throughout her career, she has worked in both inpatient and outpatient settings as a staff psychiatrist, primarily in Texas and Alabama.
Treatment approach
Dr. Vansickle places a strong emphasis on establishing trust and building therapeutic relationships to help patients achieve their goals. Her practice focuses on medication management, often combined with supportive or emotionally focused therapy during 30-minute follow-up visits. If she believes additional therapy would be beneficial, she may recommend that patients work with a therapist as part of their care team. She has extensive experience treating patients in various settings, including community mental health centers, VAMC-affiliated clinics, and hospital-based psychiatric units. She also has expertise in psychiatric consultations for medically ill patients, as well as guardianship and competency evaluations.
What you can expect in a first visit
Patients can expect a thorough initial evaluation, where Dr. Vansickle takes the time to understand their symptoms, history, and treatment goals. She provides a structured yet compassionate approach to care, ensuring that each patient feels heard and supported. Follow-up visits typically last 30 minutes, during which she monitors progress and adjusts treatment as necessary. If additional therapy is needed, she collaborates with therapists to ensure comprehensive care tailored to each patient’s needs.
Why Talkiatry?
We’re a virtual mental health practice that makes it easy to find great care. We combine quality and convenience to help you thrive—faster. Our providers, like this one, are highly trained experts who specialize in medication management and collaborate with you on a treatment plan that fits your needs and comfort level.

Mark Varela,MD
Staff Psychiatrist
Dr. Mark Varela is a board-certified psychiatrist joining Talkiatry directly out of residency. He focuses primarily on medication management, often accompanied by brief cognitive, motivational, or supportive therapy. He may request that you also meet with a therapist regularly for your benefit. Dr. Varela received his medical degree and general psychiatric residency training both from Texas Tech University Health Sciences Center in West Texas. He treats young adults and adults with a wide variety of mental health concerns, including ADHD, mood disorders, anxiety, OCD, and PTSD.

Aleena Vargas, MD
Staff Psychiatrist
Dr. Vargas is an adult psychiatrist who received her medical degree from the University of Texas Health Science Center of San Antonio. She subsequently completed her psychiatry residency training at UT Health San Antonio.
Dr. Vargas has a patient-centered and thorough approach to treatment. She has experience treating a broad spectrum of mental health disorders, with particular interest in depression, anxiety, and post-traumatic stress disorder. She has also worked in clinic with severely mentally ill patients at the South Texas VA in San Antonio.
Dr. Vargas's primary focus is medication management with an emphasis on shared decision-making; however, she frequently also utilizes supportive therapy, cognitive behavioral therapy, and psychodynamic therapy principles in her approach. She may refer patients to a therapist if further support would be beneficial.

Gregory Marc Varhely, MD
Staff Psychiatrist
Dr. Gregory Marc Varhely is a board-certified general adult psychiatrist. He grew up in Austin, Texas, and attended Texas State University, where he earned a BA in Psychology and a Master's degree in Biology/Biochemistry. After graduating from medical school at Ross University, he completed his residency in Psychiatry at the Medical College of Wisconsin. Dr. Varhely has served as an outpatient psychiatrist at the Department of Veterans Affairs and acted as an attending physician for resident psychiatrists at Texas A&M and UT Dell Medical Schools. He then acted as a sole proprietor of an outpatient psychiatric medication management and psychotherapy practice in Georgetown, Texas and later started contracting for North Central Health Care Mental Health Clinic, applying psychotropic medication management expertise to community-based treatment facilities in Wisconsin. Dr. Varhely's approach is rooted in forming meaningful connections with his patients. He wholeheartedly believes that psychological suffering stems from a blend of biological, psychological, social, and environmental factors. Dr. Varhely works together with his patients to uncover these factors and create treatment plans tailored to their specific needs using an eclectic blend of the latest in psychopharmacology, as well as psychodynamic, supportive, and cognitive-behavioral therapy.

Shilpika Varma, MD
Staff Psychiatrist
Dr. Varma grew up in an immigrant family surrounded by aspiring doctors, and her passion for understanding the human mind and behavior blossomed early. This curiosity led her to pursue extensive medical training abroad, beginning at Kasturba Medical College in Southern India, followed by clerkships at the University of the West Indies in Trinidad and Tobago. She completed her Adult psychiatry residency at the University of Florida in Gainesville and specialized further with a child/adolescent fellowship at Brookdale University Hospital in Brooklyn, NY.
Dr. Varma believes in a holistic, integrative approach to mental health. Her philosophy centers on identifying the root causes of ailments rather than merely addressing symptoms. She views mental health care as a partnership, where the mind, body, and spirit work together to achieve wellness. Dr. Varma is committed to fostering a safe, confidential therapeutic alliance to help you explore your potential for healing.
Dr. Varma embraces integrative psychiatry, which combines the best of conventional Western medicine with complementary approaches. This involves a comprehensive biopsychosocial assessment tailored to each individual, incorporating psychopharmacology alongside lifestyle adjustments in diet, movement, and breathwork. She collaborates with therapists and other professionals to create a well-rounded treatment plan that honors your unique journey.

Adele Veksman, MD
Staff Psychiatrist
Dr. Adele Veksman is double board-certified in adult psychiatry and psychosomatic medicine, with over 14 years of experience diagnosing and treating a wide range of psychiatric conditions. She approaches each patient as a unique individual, offering a non-judgmental space to help patients develop into their best selves. She focuses primarily on medication management to alleviate symptoms while working with patients on behavioral changes to address underlying issues. If additional therapy is needed, she may suggest adding a therapist to your care team to provide the best outcome. Dr. Veksman received her medical degree from St. George's University and then completed a residency in psychiatry and fellowship in psychosomatic medicine at Zucker Hillside Hospital at Northwell Health. Next, she was an attending and ER psychiatrist at North Shore University Hospital providing psychiatric care to medically ill patients. She then transitioned to adult outpatient care at Maimonides Medical Center, treating various psychiatric illnesses. Throughout her career, she taught and supervised residents and medical students.

Katherine Vital-Daley, MD
Staff Psychiatrist
Dr. Katherine Vital-Daley is an adult psychiatrist at Talkiatry. She treats all adults and her passion lies in providing accessible care for women facing challenges throughout pregnancy, childbirth, and postpartum and in reproductive psychiatry. Dr. Vital-Daley's academic background is rooted in science, with an undergraduate degree in biochemistry and molecular biology from the University of California, Merced. She then pursued her medical doctorate at the Medical University of the Americas. Following medical school, she completed her psychiatry residency training. The first two years were spent at East Carolina University, Brody School of Medicine, with a culmination of her last two years of residency at Allegheny Health Network in Pittsburgh, Pennsylvania, to further specialize in women's mental health, which solidified her expertise in this vital area.At Allegheny Health Network's Women's Behavioral Health clinic, Dr. Vital-Daley honed her skills in treating a range of conditions, including depression, anxiety, PTSD, OCD, bipolar disorder, and related issues, and served as a medical provider for their intensive perinatal/postpartum outpatient clinic. She also developed a deep understanding of perinatal mental health, supporting patients coping with perinatal loss and traumatic birthing experiences. In her practice, she employs supportive psychotherapy and mindfulness along with evidence-based medication management, utilizing the most current clinical guidelines and treatment modalities. Dr. Vital-Daley's approach is rooted in a collaborative treatment approach. She works closely with patients, exploring past and current stressors and any relevant medical conditions to develop a comprehensive understanding of their individual needs. Recognizing the importance of cultural competency, she incorporates patients' unique backgrounds, beliefs, and core values into her care plans.

Thy Vo, MD
Staff Psychiatrist
Dr. Thy Vo is a board-certified psychiatrist who specializes in the treatment of adults, adolescents, and children. Dr. Vo approaches patients as whole human beings with the goal of providing a safe therapeutic space that will help patients understand and address their suffering as well as fostering healthy emotional expression and self-awareness. Dr. Vo is collaborative with treatment needs, which may include medication and/or supportive or insight-oriented psychotherapy in 30 or 45 minute follow-up visits. She received a Master's in Global Health Systems and Development at Tulane University and then received her medical degree from the University of Wisconsin-Madison School of Medicine. Afterwards, she completed her adult psychiatry residency and child and adolescent psychiatry fellowship training at Western Psychiatric Hospital of University of Pittsburgh Medical Center. During her training, Dr. Vo has treated patients of all ages and diverse backgrounds with particular interest in immigrants and refugees. She works with people dealing with trauma, mood and anxiety disorders, ADHD, relationship conflicts, life transitions, and existential concerns. She has also received additional training in psychodynamic psychotherapy.

Zelimir Vukasin, MD
Staff Psychiatrist
Dr. Zelimir Vukasin is an adult psychiatrist. He completed his psychiatric residency training at Beth Israel Medical Center in New York. He also completed an internal medicine residency at New York Hospital, Medical Center of Queens. Dr. Vukasin received his medical degree from the University of Zagreb medical school in Croatia. He has practiced in various settings over his career, including inpatient psychiatry, long-term care, private practice, and non-profit outpatient psychiatric programs. He has more than 32 years of experience providing patients with compassionate psychiatric care through medication management. He has received numerous awards and honors throughout the tri-state area, including the Top Doctor Award in 2018. In addition, Dr. Vukasin has held academic appointments and has published research findings on antipsychotic medications .Dr. Vukasin enjoys treating patients with complex psychiatric conditions.

Ana Wagener-Sobrero, MD
Staff Psychiatrist
Dr. Ana Wagener-Sobrero is a board-eligible psychiatrist trained in Adult Psychiatry. She earned her medical degree at Rush Medical College and completed psychiatry residency training at the University of Chicago Medical Center in IL. Dr. Wagener-Sobrero specializes in treating patients with anxiety, bipolar disorder, depression, trauma, personality disorders and ADHD. Her clinical approach is holistic, collaborative, supportive, patient-centered and prefers to focus on the overall health and well-being of the patient. Dr. Wagener-Sobrero values psychotherapy and uses it along with medication, when necessary, in her practice. She treats patients in English and in Spanish.

David Wait, MD
Staff Psychiatrist
Dr. David Wait, MD is American Board of Psychiatry and Neurology certified and a fellow of the American Psychiatric Association. A skilled psychopharmacologist and psychotherapist, he has over 30 years’ experience successfully helping people overcome a diverse range of emotional, psychiatric, and addiction challenges.
David was born in Sioux Falls, South Dakota, and is a graduate of Augustana College. He obtained his MD at the USD School of Medicine. His residency was at the University of Arkansas for Medical Sciences (UAMS) in Little Rock where he was trained in both psychotherapy and biological management of psychiatric challenges.
Following residency training, Dr. Wait continued to work with UAMS and the State of Arkansas in research and program development focusing on implementing and then teaching novel strengths focused care for people with severe mental illness for the first 12 years of his career.
Later, Dr. Wait moved with his wife and three children to Coeur d'Alene, Idaho. He has since been in clinical practice and leadership roles in inpatient, outpatient, and telehealth psychiatric care settings.
Rather than focus primarily on illness or problems, Dr. Wait’s approach is to first evaluate his patients comprehensively, then utilize what’s learned from this to treat and empower them to make and then practice choices that lead to improved health and well-being, using an integrative model that recognizes that mental, physical, social, and spiritual health are one.

Alana Ward, PMHNP
Staff Nurse Practicioner
Alana Ward is a board certified psychiatric mental health nurse practitioner (PMHNP). Alan has been practicing since 2018 and has experience with individuals of all ages. Prior to becoming a PMHNP, Alana worked as a registered nurse in critical care and psychiatry. As a PMHNP, she has experience working on inpatient adult and geriatric psychiatric units, as well as providing psychiatric evaluations and consultations to individuals on medical units and emergency rooms at hospitals. Alana is very experienced working in outpatient settings managing various psychiatric diagnoses. She has also helped manage individuals in long term care facilities and assisted living facilities. When Alana is not providing direct patient care, she will on occasion help with instructing future nurses at Kent State University. Alana graduated with her Master's of Science in Nursing from Kent State University, and is board certified as a Psychiatric Mental Health Nurse Practitioner through the American Nurse Credentialing Center. Alana enjoys treating a variety of mental health diagnoses including depression, anxiety, obsessive compulsive disorder, mood disorders such as bipolar disorder, and various psychotic disorders. She believes in client-centered care, where clients get a say in their treatment in order to help make them feel their best. Alana truly believes that therapy is a crucial part of successfully treating any mental health diagnosis, in combination with medication management when warranted. Alana likes to add mindfulness and cognitive behavioral therapy techniques to her medication management appointments to help individuals receive effective, quality care.

Pressley Warrick, MD
Staff Psychiatrist
Dr. Pressley Warrick is a double board-certified psychiatrist specializing in general psychiatry and child and adolescent psychiatry. Dr. Warrick currently practices full-time, offering comprehensive psychiatric care to children, adolescents, and adults. She previously established and led a Behavioral Health Clinic integrated within a Family Medicine Practice. Prior to this role, Dr. Warrick provided dedicated psychiatric care at a private psychiatry practice for over a decade.
Dr. Warrick earned her medical degree from the Medical University of South Carolina, completed residency training at Baylor College of Medicine's Menninger Department of Psychiatry and Behavioral Sciences, and pursued additional specialization through a Child and Adolescent Psychiatry fellowship at Palmetto Health/USC School of Medicine.
Known for a collaborative and holistic treatment approach, Dr. Warrick emphasizes individualized care and evidence-based practices to support patients’ mental wellness. Her professional excellence has earned recognition as Sumter’s Best Psychiatrist for consecutive years.
Dr. Warrick’s preferred treatment modalities include medication management, psychodynamic psychotherapy, and supportive psychotherapy. She specializes in treating depression, anxiety, ADHD, autism, OCD, bipolar disorder, and PTSD. Her typical approach for new patients involves taking a detailed patient history, establishing rapport, and setting clear treatment goals in partnership with her patients.

Corey Wasser, DO
Staff Psychiatrist
Dr. Wasser is a staff psychiatrist at Talkiatry, dedicated to providing compassionate and effective care through telepsychiatry. He completed his undergraduate studies at Moravian College in Bethlehem, Pennsylvania, where he focused on Neuroscience and Pre-Medical studies. Subsequently, he pursued his medical degree at Rocky Vista University in Parker, Colorado before completing his psychiatry residency at HCA Aurora in Aurora, Colorado. Dr. Wasser was the recipient of the Chairman's Crystal Distinction of Excellence Award, rewarding a resident's exemplary performance and endorsing a resident's future success in the field of psychiatry. With a strong foundation in both neuroscience and psychiatry, Dr. Wasser approaches each patient with a deep understanding of the mind-body connection and the complexities of mental health. When Dr. Wasser is not providing professional care, he is an advocate for personal health and wellness. He enjoys spending quality time with his wife and family, staying active through exercise, relaxing at the Jersey Shore, and exploring new travel destinations.
Dr. Wasser's approach to patient care is rooted in empathy, trust, and collaboration. He is dedicated to listening closely to each patient's unique concerns and crafting personalized treatment plans that address both immediate symptoms and long-term mental well-being. His specialties include managing mood disorders, anxiety, depression, obsessive-compulsive disorder and stress-related conditions, with a particular emphasis on helping individuals navigate life transitions and mental health challenges.
Dr. Wasser believes in a thorough and patient-centered approach. During the first session, he takes the time to understand his patient’s history, current struggles, and goals for treatment. Together, they establish clear and realistic objectives to guide the treatment process. Dr. Wasser offers a combination of psychotherapy, medication management, and wellness strategies to support his patients. He values open communication and ensures that every patient feels heard and empowered throughout their mental health journey.

Michael Watkins, MD
Staff Psychiatrist
Dr. Michael Watkins is a board-certified adult psychiatrist. He completed his residency at The University of Texas Health Science Center at Tyler. In addition to being thoroughly trained in psychopharmacology, Dr. Watkins has also received extensive training in psychotherapy. From traditional psychodynamic therapy to the more modern mindfulness-based dialectical behavior therapy, Dr. Watkins takes the approach that best serves his patients. In addition to being trained in a variety of therapies, Dr. Watkins also employs a positive psychiatry approach which, as well as addressing a patient's symptoms, also focuses on their strengths and how they can be used to overcome adversity. Prior to pursuing a career in psychiatry, Dr. Watkins was a high school math teacher, and prior to that, he was an NCAA Division I college athlete. His teaching and athletic careers have given him a well-rounded perspective on the human experience. Drawing on his academic training and life experiences, Dr. Watkins meets patients where they are at, helps them overcome their obstacles, and serves as a guide and a resource for them on their journey to their desired destination.

Joshua Weasen, MD
Staff Psychiatrist
Dr. Weasen is a board-certified adult psychiatrist with Talkiatry. He received his medical degree from Sidney Kimmel Medical College at Thomas Jefferson University in Philadelphia. He then moved to Washington, D.C. to complete his residency training at Saint Elizabeth's Hospital, where he served as Chief Resident during his final year. He is a member of the American Psychiatric Association (APA) and has presented at the APA Annual Meeting on the topic of virtual fatigue. He has had extensive experience working with a wide array of patients, including college/graduate students, geriatric patients, military veterans, and LGBTQ+ populations. Dr. Weasen provides a combination of medication management and supportive psychotherapy. Occasionally, he may work with you on finding additional support as well, including bringing on a dedicated therapist as part of your treatment team. He believes in tailoring treatment to each person's needs. He primarily treats mood disorders, anxiety disorders, PTSD, OCD, and insomnia, but believes in seeing beyond the diagnosis and focusing on the individual first and foremost.

Zakiyyah Weatherspoon, PMHNP
Staff Nurse Practitioner
Zakiyyah Weatherspoon is a dual-certified Family Nurse Practitioner and Psychiatric Mental Health Nurse Practitioner with over a decade of experience. Since 2011, she has worked in family medicine, and since 2013, she has focused on mental health care across the lifespan. Her background includes treating children, teens and adults in hospitals, private practices, and community settings.
Since 2017, Weatherspoon specialized in helping individuals manage depression, anxiety, bipolar disorder, OCD, PTSD, ADHD, ODD, eating disorders, and substance use. She uses supportive therapy, solution-focused therapy, and cognitive behavioral therapy to help clients feel heard, understood, and empowered.
Weatherspoon is passionate about breaking the stigma around mental health. She encourages her clients to speak up, get help, and take control of their mental wellness. Her approach is based on the Mental Health Recovery Model, which focuses on hope, healing, and building a life beyond diagnosis.

Candice Webb, DO
Staff Psychiatrist
Background and credentials
Dr. Webb is board-certified by the American Board of Psychiatry and Neurology. She earned a Bachelor of Science in Biological Sciences from the University of Miami in Coral Gables, Florida, and obtained her medical degree in Osteopathic Medicine from the West Virginia School of Osteopathic Medicine. Dr. Webb completed her psychiatry residency training at Palm Beach Consortium for Graduate Medical Education in Tamarac, Florida. After her training, she served as an attending psychiatrist with the Department of Veterans Affairs in Miami, Florida, and as an attending psychiatrist and mentor for psychiatry residents in training at the University of Miami, Florida International University, and University Hospital and Medical Center in Tamarac.
Treatment approach
Dr. Webb believes in building strong therapeutic relationships with her patients, integrating conservative psychological treatments and lifestyle modifications to enhance overall well-being and quality of life. She primarily provides medication management combined with supportive or emotionally focused therapy. Dr. Webb emphasizes creating individualized care plans tailored to each patient’s unique needs. While medication and supportive therapy are central to her approach, she occasionally recommends involving an additional therapist to optimize treatment outcomes. Dr. Webb specializes in managing a broad range of psychiatric conditions, including depression, anxiety, bipolar disorder, postpartum depression, OCD, and PTSD.
What you can expect in a first visit
Patients meeting Dr. Webb for the first time can expect a thoughtful and comprehensive assessment focused on building rapport and understanding their personal and clinical needs. Dr. Webb emphasizes creating a strong therapeutic relationship, developing an individualized care plan designed specifically to address each patient's symptoms and lifestyle. Follow-up appointments typically last around 30 minutes, during which medication management and supportive therapy are provided. Depending on patient needs, Dr. Webb might suggest incorporating additional therapeutic support to achieve the best possible results.
Why Talkiatry?
We’re a virtual mental health practice that makes it easy to find great care. We combine quality and convenience to help you thrive—faster. Our providers, like this one, are highly trained experts who specialize in medication management and collaborate with you on a treatment plan that fits your needs and comfort level.
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David Weber, MD
Staff Psychiatrist
Getting to know me...
Dr. David Weber is a highly experienced psychiatrist and medical doctor with dual specialties in psychiatry and primary care medicine. His comprehensive approach integrates both disciplines, allowing him to address mental health concerns with a deep understanding of their medical and psychological aspects.
Dr. Weber earned his Doctor of Medicine (MD) from Southern Illinois University School of Medicine and pursued advanced training at Walter Reed Army Medical Center, Harvard University, and Georgetown University Medical Center. He is Board-Certified in General Psychiatry and Fellowship-Trained in Forensic Psychiatry and Occupational Medicine, equipping him with the expertise to diagnose and treat a broad spectrum of mental health conditions, considering both medical and psychiatric factors.
What should a new patient know about working with you?
Believing that each patient is more than a diagnosis, Dr. Weber takes a personalized approach, collaborating closely with individuals to develop tailored treatment plans. He views himself as an advisor and facilitator, empowering patients to take charge of their recovery.
Areas of Focus:
ADHD (Focus & Cognitive Function)
Anxiety & Depression (Mood, Sleep, & Energy Concerns)
Stress & Brain Fog (Cognitive & Emotional Well-Being)
What is your typical process for working with patients?
Dr. Weber is an experienced, compassionate, and dedicated advocate for his patients' mental and physical health. He strongly believes in a collaborative, patient-centered approach to treatment, helping individuals achieve their personal and professional goals.
Committed to a well-balanced life, Dr. Weber is married and has two married daughters, two grandsons and three dogs. His wife, a clinical psychologist, helps ground his therapeutic approach, emphasizing the importance of integrating therapy with medication to enhance overall well-being. Guided by the ethos, "Treat them like you would your own family," he is dedicated to providing compassionate, high-quality care.
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Sophie Weinberg, MD
Staff Psychiatrist
Dr. Sophie Weinberg is a compassionate and deeply dedicated physician, dually board-certified in Child, Adolescent, and Adult Psychiatry. Her journey through medicine has been shaped by rich and diverse training—completing her General Psychiatry residency at Maimonides Medical Center in Brooklyn, NY, and her fellowship in Child and Adolescent Psychiatry at Nassau University Medical Center in Long Island, NY.
Dr. Weinberg approaches healing as both a science and an art. Her care is profoundly patient-centered, collaborative, and holistic, honoring the intricate connection between body, mind, and spirit. She believes in the quiet power of nourishment, restful sleep, joyful movement, and meaningful connection as essential threads in the fabric of wellness.
With extensive experience in treating a wide spectrum of conditions—including mood disorders, anxiety, trauma, ADHD, and sleep disturbances—Dr. Weinberg tailors her approach to each individual’s unique story. She is a proud and affirming ally to the LGBTQIA community, creating a space where all identities are seen, respected, and supported.
Her treatment model includes thoughtful, personalized medication management, with generous 30-minute follow-up sessions to ensure care is never rushed and always attuned to the patient’s evolving needs. When appropriate, Dr. Weinberg may gently recommend the added support of a therapist, recognizing that healing is often a shared and layered journey.
With a heart rooted in empathy and a mind guided by clinical excellence, Dr. Weinberg walks beside her patients on the path to well-being—honoring their resilience and helping them rediscover their wholeness.

Julia Wellin, MD
Staff Psychiatrist
Dr. Wellin is a double board certified psychiatrist specializing in child and adolescent psychiatry and adult psychiatry. She has been in private practice and worked in community clinics for over 44 years. Dr. Wellin's practice focuses on medication management in conjunction with supportive psychotherapy in 30-minute follow-up visits. She encourages a team approach involving psychotherapists, medical doctors, and parents and family when appropriate, to provide holistic care for optimal outcomes. Dr. Wellin received her medical degree from the Albert Einstein College of Medicine, in Bronx, NY. She did her residency in adult psychiatry at the Jacobi Hospital Department of Psychiatry in Bronx, NY. Her fellowship in child and adolescent psychiatry at Columbia University St Luke's-Roosevelt Hospital NYC followed. For the last 5 years, she has been an assistant clinical professor at the Adolescent Health Center at Mt Sinai Hospital NY. During this period she was also a consulting psychiatrist at the McShane Center for Psychological Services at Pace University. Dr. Wellin trained at the Psychoanalytic Institute at NYU. She was certified in hypnosis by NYSEPH in NYC and she has also received training in EMDR. Dr. Wellin worked at a NYC rehab for substance abusers and was the medical director of a private program for children of substance abusers and their families. Her primary current focus is on adolescents and college-aged patients.

Robert Werner, MD
Staff Psychiatrist
Dr. Blake Werner is an adult and addiction psychiatry board certified physician who has been in practice for the past 4 years. He received his medical degree from Texas Tech University Health Sciences Center in Lubbock, TX, before moving to charming Charleston, SC to complete his residency in adult psychiatry. Following residency, Dr. Werner navigated his way to the northeast to complete a fellowship in addiction psychiatry at Yale School of Medicine. Post-fellowship, Dr. Werner joined the Yale faculty as an assistant professor and was employed through the Veterans Affairs, treating substance use disorders in an outpatient clinical setting. Through his clinical practice, Dr. Werner has worked with a variety of patients across the northeast via telemedicine to treat their general mental health concerns, substance use disorders, as well as behavioral addictions. While Dr. Werner's clinical practice post residency has primarily focused on substance use disorders, he has spent the last couple of years on the inpatient psychiatric setting, assisting patients with a wide variety of mental health conditions as well as enjoying time working with residents and medical students. In his role as a psychiatrist, Dr. Werner enjoys working collaboratively with patients to develop a beneficial and effective treatment plan aimed at fostering emotional well-being. While primarily utilizing medications as tools to assist patients in achieving their desired level of functioning, he is well versed in motivation enhancement therapy and prefers psychodynamic and supportive therapeutic processes. He is looking forward to meeting and working with you as you progress along your path of wellness.

Marc Whaley, MD
Staff Psychiatrist
Dr Marc Whaley is a Board Certified Psychiatrist in Adult Psychiatry, with extensive clinical experience over the past 50 years, mostly in outpatient treatment, and some in-patient settings, in addition to Forensic (legal) ones. He received his undergraduate degree at Johns Hopkins in Baltimore and his medical degree at Tufts Medical School in Boston, and then went on to train at Tufts New England Medical Center in Boston, for his psychiatry residency. He has held leadership roles, Chief of Department of Psychiatry in a community hospital, President of the local Psychiatric Chapter of the Massachusetts Psychiatric Society, and founder of a private group outpatient psychiatric practice on Cape Cod called The Psychiatric Collaborative. In 2018, he closed his private practice, seeking more free time in the later years. It did not take long, however, to get back to active practice, first by reviewing files for insurers around the issue of medical necessity, disability, and other psychiatric determinations. He got his first experience in Telepsychiatry when working remotely for a community hospital, far from his home, evaluating patients presenting to their busy ER; He experienced this as a practical and efficient way of delivering psychiatric services. When that contract ended after 3.5 years, he learned about and joined Talkiatry to work as a Staff Psychiatrist, in their well-organized comprehensive program. Dr. Whaley has been recognized by his peers for his career achievement, and he was the 2022 recipient of the Outstanding Psychiatrist Award for Clinical Psychiatry from the MA Psychiatric Society. He has also been a regular panel member, over the past 13 years, for a monthly NPR Radio Talk Show, ( WGBH Cape Cod affiliate, WCAI), The Point with Mindy Todd, focusing on multiple mental health topics.

Lorraine Wharton-Mohammed, MD
Staff Psychiatrist
Dr. Wharton-Mohammed is double board certified in General Psychiatry as well as Child and Adolescent Psychiatry. She has worked in various settings with culturally diverse populations. Her primary focus has been caring for children in the outpatient programs. Dr. Wharton-Mohammed has spent over ten years as an administrative leader. She has chaired and co-chaired committees overseeing the practice of fellow Psychiatrists and served as the Discipline Chief. She has been teaching/ supervising Nurse Practitioner students and Physician assistant students. Dr. Wharton-Mohammed is experienced with a wide variety of psychiatric diagnoses and therapeutic modalities. She is a dedicated clinician who looks out for her patients. She views each patient and their caregivers' circumstance as unique. She takes a holistic approach with a collaborative approach to help patients understand their options. While the focus may be on psycho education and medication management with supportive and psychodynamic therapeutic interventions, there may be a need for additional therapy. She may ask that a therapist be added to your treatment team. She works towards establishing a meaningful trusting relationship and looks forward to working with you to help you achieve your goals.

Marsha Wheatley, MD
Staff Psychiatrist
What has motivated Dr. Wheatley over the course of her career as a caregiver? Dr. Wheatley is a native Houstonian who grew up in a working-class community. Through curiosity and hard work, she was able to attend a university that included people of vastly different life experiences. She was molded by both communities to appreciate the commonalities of humanity. That broad exposure extended her empathetic spectrum to grasp the needs of the American diaspora.
Dr. Wheatley uses a biopsychosocial approach to evaluate the patient. She gathers patient history with a mindset that considers the neuroscience that chemically shapes mood, thoughts, and behavior. She is able to uncover factors that can inhibit psychological growth and development. She has experience in seeing how the social conditions of the “then” can influence the resiliency of the “now”. Dr. Wheatley appreciates, and is proficient in, advances in technology, but prioritizes the analog relationship between doctor and patient.
Meeting people where they are. It is an old trope, but describes how one allows a patient to set the path forward. An open-ended interview is conducted with an open mind towards resolution. When being evaluated and treated by Dr. Wheatley, a patient can expect to be met in a cordial but professional manner. Treatments are discussed and considered based on the mental state of the patient and the clinical efficacy and scientific evidence of benefit. The patient is invited to ask questions and consider whether they wish to pursue the suggested treatment plan.

Robert Whelpley, MD
Staff Psychiatrist
Background and credentials
Dr. Robert Whelpley, M.D., is board-certified in both Child and Adolescent Psychiatry and Adult Psychiatry. He completed his undergraduate studies at Binghamton University and earned his medical degree from Upstate Medical University in Syracuse, New York. He then went on to complete his residency and fellowship training at the University of Rochester. Throughout his career, he has worked with patients and families across the lifespan in inpatient, outpatient, and emergency psychiatric settings.
Treatment approach
Dr. Whelpley believes in collaborative care, working closely with treatment providers, patients, and families to ensure that mental health concerns are addressed as a team. His approach integrates talk therapy techniques, including motivational interviewing, cognitive-behavioral therapy (CBT), mindfulness, and supportive psychotherapy, alongside medication management. He customizes treatment to maximize each patient’s mental health and overall wellness, sometimes incorporating a therapist into the care plan when beneficial.
What you can expect in a first visit
During the first visit, patients can expect a comprehensive evaluation where Dr. Whelpley takes time to understand their symptoms, background, and treatment goals. His approach is patient-centered and team-oriented, ensuring that care is personalized and collaborative. He works with patients to develop a treatment plan that balances medication management with therapeutic interventions, fostering long-term mental wellness.
Why Talkiatry?
We’re a virtual mental health practice that makes it easy to find great care. We combine quality and convenience to help you thrive—faster. Our providers, like this one, are highly trained experts who specialize in medication management and collaborate with you on a treatment plan that fits your needs and comfort level.

David Whitehouse, MD
Staff Psychiatrist
Dr. Whitehouse is a board-certified adult psychiatrist with a strong background in neuroscience and psychopharmacology who has been in practice for over 25 years. At the heart of Dr. Whitehouse's clinical approach is a strong emphasis on establishing trust, building a therapeutic relationship to help patients achieve their goals, and helping people better understand their brain, its strengths, and vulnerabilities and how to use assessment and training to maximize everyone's unique emotional and cognitive capacity. Dr. Whitehouse's practice focuses on medication management. Typically, he offers this in conjunction with supportive or emotionally focused therapy in 30-minute follow-up visits. Occasionally Dr Whitehouse may believe that additional therapy is also needed and ask that you bring a therapist into your care team to provide the best outcome. He received his medical degree from Dartmouth Medical School and went on to complete his residency in psychiatry at MGH in Boston. After completing training, Dr. Whitehouse has worked in every setting from a Community Mental Health Center in rural VT, a General Hospital Department of Psychiatry in Waterbury CT, and a private psychiatric hospital in Massachusetts He has held academic clinical appointments at Dartmouth, Yale and Harvard and provided supervision to medical students, residents, APRNs, Social Workers and Mental Health Clinicians. In addition to his direct clinical work, he has extensive experience with value-based care having worked with the behavioral divisions of CIGNA Behavioral Health, Optum Behavioral Health and MCG. He also has been involved in the latest approaches made possible in mental health by the growth of direct-to-consumer services as part of digital transformation. He believes that every patient is unique and every situation different. He seeks to bring a wealth of experience to bear but, above all, to do so with a personalized and compassionate focus on what will help everyone specifically, practically, effectively, and efficiently. He is especially happy to help people new to emotional help understand the value of different approaches.

John Whittier, MD
Staff Psychiatrist
Background and credentials
Dr. John Whittier is a board-certified psychiatrist. He earned his Bachelor of Arts in Molecular, Cellular, and Developmental Biology from the University of Colorado at Boulder and went on to obtain a master’s degree in Medical Science from Loyola University Chicago. He completed his medical training at the Robert Larner, M.D. College of Medicine at The University of Vermont and returned to Colorado for his psychiatry residency at the University of Colorado School of Medicine. While in residency, he specialized in the Psychotherapy Scholars Program and has since gained four years of experience treating psychiatric conditions through telehealth.
Treatment approach
Dr. Whittier primarily focuses on medication management for general psychiatric conditions. His approach is individualized, ensuring that each patient receives a treatment plan tailored to their unique needs. He integrates supportive therapy, medications, and evidence-based alternative therapies to provide a flexible and comprehensive approach. In addition to his general practice, he maintains a psychodynamic psychotherapy panel where he helps patients explore developmental and relational patterns that contribute to their symptoms. His specialties include treating depression, anxiety, adjustment disorders, PTSD, insomnia, bipolar disorder, and ADHD.
What you can expect in a first visit
During the first visit, patients can expect a one-hour comprehensive intake during which Dr. Whittier thoroughly evaluates their symptoms, medical history, and personal goals. He provides treatment options that prioritize flexibility, allowing patients to take an active role in their care. Follow-up visits typically last 20 to 30 minutes, focusing on assessing treatment progress and making necessary adjustments. For those engaged in psychodynamic psychotherapy, longer one-hour sessions are available for in-depth exploration of underlying psychological patterns.
Why Talkiatry?
We’re a virtual mental health practice that makes it easy to find great care. We combine quality and convenience to help you thrive—faster. Our providers, like this one, are highly trained experts who specialize in medication management and collaborate with you on a treatment plan that fits your needs and comfort level.

Michele Wiener, MD
Staff Psychiatrist
Dr. Michele Wiener is a psychiatrist with over 35 years of experience treating patients with mental health issues. Dr. Wiener's practice has historically focused on treating patients with varying mood disorders, anxiety disorders, psychotic disorders, and post-traumatic stress disorder, often complicated by substance use disorders. Dr. Wiener enjoys working with patients of all ages. She is skilled in both psychotherapy and medication management. While the emphasis will generally be on medication management, Dr Wiener will utilize insight-oriented, cognitive behavioral, and supportive psychotherapy skills to help her patients reach their treatment goals. She completed her internship at Bronx Lebanon Hospital, her residency at Montefiore Medical Center and a two-year fellowship in biological psychiatry, psychopharmacology and geriatric psychiatry at Albert Einstein College of Medicine. She served for over 20 years as Chief of Psychiatric Services for Behavioral Health Services at St John's Riverside Hospital Park Care Pavilion formerly Yonkers General Hospital. Here she was also able to enjoy teaching medical students from The Lake Erie College of Osteopathic Medicine in their psychiatric rotation. She has been Assistant Medical Director for Arms Acres, in Carmel, NY for over five years.

Andrew Wilbur, MD
Staff Psychiatrist
Dr. Wilbur is a Double Board Certified Psychiatrist in Adult and Addiction Psychiatry. He completed his undergraduate degree in Public Health Studies at Johns Hopkins University and his medical education at the UMass Chan Medical School. Dr. Wilbur completed his psychiatry residency training and addiction psychiatry fellowship training at Yale School of Medicine. His practice focuses on medication management, typically offered in conjunction with supportive therapy in 30-minute follow-up visits. Dr. Wilbur has an interest in treating patients with a wide range of psychiatric conditions including but not limited to depression, anxiety, obsessive compulsive disorder, trauma- and stressor-related disorders, and bipolar disorders. He also has experience treating psychiatric conditions in patients experiencing co-occurring medical illness. Dr. Wilbur believes that successful treatment begins with mutual trust between a patient and their doctor. He uses a warm, nonjudgmental, and collaborative approach. His assessments consider the biological, psychological, and social, and cultural factors that impact mental health. He implements a range of evidence-based treatments to alleviate psychiatric symptoms and improve wellbeing.
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Cecilia Wild, PMHNP
Staff Nurse Practitioner
Cecilia Wild is a board-certified psychiatric-mental health nurse practitioner (PMHNP-BC) with a strong background in treating patients across the mental health spectrum. She earned her Bachelor of Science in Nursing from Illinois State University and began her career in a women’s residential facility specializing in mood disorders, eating disorders, and PTSD. She then transitioned to inpatient adolescent psychiatry, where she became a charge nurse and obtained her Psychiatric-Mental Health Nursing Certification (PMH-BC) from the American Nurses Credentialing Center (ANCC). Inspired by her passion for mental health, she pursued her master's degree at the University of St. Francis to become a PMHNP.
Cecilia has extensive experience treating patients at all levels of care, including inpatient, PHP/IOP, and outpatient settings. She later transitioned to telehealth, providing medication management to college students. She is passionate about mental health advocacy, particularly within the LGBTQ+ community.
Cecilia takes a team-based, individualized approach to care. She believes in the importance of education, open communication, and empowering patients in their treatment journey. She emphasizes a holistic perspective, incorporating medication management, therapy, and lifestyle modifications.
Cecilia prioritizes a trauma-informed approach, recognizing the significant role trauma plays in mental health. She integrates mindfulness techniques, motivational interviewing, and lifestyle changes to support overall well-being. By fostering a collaborative and supportive environment, she helps patients build resilience and achieve their mental health goals.

Steven Wilkening, MD
Staff Psychiatrist
Dr. Steven Wilkening is a board-certified adult psychiatrist.He completed his Bachelor of Arts degree at Cornell University followed by a neuroscience researchfocused Masters degree at the University of Mississippi. He then attended medical school at theUniversity of Mississippi School of Medicine, graduating with his MD degree as a Medical StudentResearch Scholar and member of the Alpha Omega Alpha Honor Medical Society. He completed adultpsychiatry residency training at the University of Cincinnati and has since been working primarily intelepsychiatry.He has experience treating a wide variety of psychiatric conditions and also recognizes that lifestylefactors such as sleep, physical activity and stress-reduction are foundations of good mental health.Alongside medication management, he provides brief supportive psychotherapy, psychoeducation, aswell as elements of cognitive behavioral and solution-focused therapies to assist patients in meetingtheir goals. He often encourages patients to see a therapist in addition to a psychiatrist.
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Susannah Williams, MD
Staff Psychiatrist
Dr. S. Taylor Williams is a psychiatrist with Talkiatry. She is board-certified in psychiatry and has been practicing over 14 years. Dr. Williams received her MD from the University of Alabama School of Medicine at UAB. She completed her psychiatry residency at the University of Tennessee Health Science Center. Prior to joining Talkiatry, she held an academic appointment at UTHSC as Assistant Professor of Psychiatry and was the Clinical Director of the Memphis Mental Health Institute. She specializes in the treatment of young adults and LGBTQ patients. Her practice focuses on medication management.

Shantale Williams-Jules, MD
Staff Psychiatrist
Dr. Williams-Jules is an adult psychiatrist who focuses primarily on medication management in conjunction with supportive therapy. She completed her undergraduate training at Spelman College in Atlanta, GA, followed by her master's in public health degree at New York Medical College. She has completed medical school at American University of Antigua and finished her residency in psychiatry at the University of Texas Southwestern. Dr. Williams-Jules has a passion for treating adults with mental health disorders, especially within the perinatal population. She has a genuine interest in management of trauma, while also treating a vast array of disorders including depression, anxiety, bipolar disorder and posttraumatic stress disorder. She has worked with clients of varying cultures and demographics, and has experience with treating patients with medical comorbidities. Dr. Williams-Jules takes a delicate approach to diagnosis and management and believes in holistic care, which incorporates mindfulness and deep breathing techniques to address the mind and body connection. She tailors individualized treatment to address the specific needs of patients. Dr. Williams-Jules is a member of the American Psychiatric Association and the Dallas County Medical Society. She has presented her research at the Annual APA conference and is co-author of many published psychiatric papers.

Paula Wilt, MD
Staff Psychiatrist
Dr. Wilt is board certified in adult psychiatry. She earned her medical degree from Louisiana State University in New Orleans, where she also completed her four-year residency in psychiatry. Dr. Wilt takes a biopsychosocial approach to mental health and has over 13 years of experience with an array of mental health diagnoses including Depression, anxiety, ADHD, PTSD, bipolar disorder, and sleep disorders. Dr. Wilt enjoys spending time getting to know her patients and working hand in hand with them to accurately diagnose and treat the symptoms they are experiencing. Dr. Wilt employs a holistic approach to mental health with a focus on incorporating medication management and supportive therapy to improve her patients' quality of life.

Alexander Wittenberg, DO
Staff Psychiatrist
Background and credentials
Dr. Alexander Wittenberg is a board-certified adult psychiatrist. He received his undergraduate degree from Cornell University, majoring in Human Biology, Health, and Society. He earned his medical degree from the New York Institute of Technology College of Osteopathic Medicine, where he was a member of the Psi Sigma Alpha Osteopathic Honor Society. As chief resident at Mount Sinai Beth Israel, he gained extensive experience working in outpatient settings and managing patient care at one of New York City's busiest clinics. Dr. Wittenberg has expertise in treating a wide range of mental health conditions, including depressive disorders, anxiety disorders, bipolar disorder, trauma and stressor-related disorders, and OCD.
Treatment approach
Dr. Wittenberg offers highly individualized and empathic treatment, primarily focusing on medication management. He frequently recommends integrating therapy into treatment plans and may suggest collaborating with a therapist. Dr. Wittenberg prioritizes a holistic approach, emphasizing overall well-being alongside symptom relief. He encourages the incorporation of mindfulness, self-compassion, exercise, nutrition, and attention to interpersonal relationships into his treatment strategy.
What you can expect in a first visit
During an initial visit with Dr. Wittenberg, patients can anticipate a collaborative, patient-centered, and non-judgmental environment designed to foster a meaningful therapeutic relationship. He will thoroughly discuss individual concerns and treatment goals, exploring potential therapeutic interventions, including medication management and holistic strategies to support mental health and overall wellness.
Why Talkiatry?
We’re a virtual mental health practice that makes it easy to find great care. We combine quality and convenience to help you thrive—faster. Our providers, like this one, are highly trained experts who specialize in medication management and collaborate with you on a treatment plan that fits your needs and comfort level.

Triston Wong, MD
Staff Psychiatrist
Dr. Triston Wong is a board-certified adult psychiatrist who emphasizes a collaborative approach and strong therapeutic alliance in the treatment of psychiatric conditions. Though his practice focuses on medication management, Dr. Wong advocates for a holistic approach to treatment. He may incorporate elements of various psychotherapies, including supportive, cognitive-behavioral (CBT), and insight-oriented therapy. At times, Dr. Wong may believe that additional therapy is needed for the best outcome and recommend that you bring a dedicated therapist into your care team. Dr. Wong completed his undergraduate studies at Tulane University. He received his medical degree from Louisiana State University New Orleans School of Medicine, then completed his residency training in general psychiatry at Thomas Jefferson University Hospital in Philadelphia, PA. Dr. Wong has experience working with patients of widely varying backgrounds and socioeconomic statuses. He works primarily with adult patients struggling with depression, anxiety, trauma, and grief.

Lindsay Works, DO
Staff Psychiatrist
Background and credentials
Dr. Lindsay Works is board-certified in psychiatry and addiction medicine. She earned her Doctor of Osteopathic Medicine (DO) degree from Rocky Vista University in Colorado and completed her internship and psychiatry residency at Walter Reed National Military Medical Center. She has extensive experience in both inpatient and outpatient psychiatric care, particularly in military and veteran populations.
Treatment approach
Dr. Works specializes in psychiatric care and addiction medicine, offering treatment for a range of mental health and substance use disorders. She takes a comprehensive and structured approach, integrating medication management with individualized treatment planning. Her background in military psychiatry allows her to provide specialized care for veterans and active-duty service members, particularly those experiencing PTSD, substance use issues, and other psychiatric conditions.
What you can expect in a first visit
During the first visit, patients can expect a detailed and structured psychiatric evaluation, where Dr. Works carefully assesses mental health concerns, treatment history, and personal goals. She prioritizes collaboration and patient engagement, ensuring that each treatment plan is tailored to the individual’s needs. She works with patients to develop an approach that may include medication management, therapy referrals, and support for addiction-related challenges, depending on each patient's unique situation.
Why Talkiatry?
We’re a virtual mental health practice that makes it easy to find great care. We combine quality and convenience to help you thrive—faster. Our providers, like this one, are highly trained experts who specialize in medication management and collaborate with you on a treatment plan that fits your needs and comfort level.