Krista Alexander , MD

More Clinicians

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.

Theresa Colberg, MD

Staff Psychiatrist

Dr. Theresa Colberg is a board certified adult psychiatrist. She offers guidance with navigating difficult and painful emotions that may result from mood disorders, stressful life situations, the loss of a loved one, traumatic events, attachment traumas, or neurodevelopment disorders. Within a safe, and supportive working relationship, Dr. Colberg will strive to reach an understanding of your unique situation, identify the issues that are interfering with progress, and develop a plan to better identify and achieve your goals. Previous to joining Talkiatry, Dr. Colberg served as a clinical psychiatrist for the VA Healthcare System, providing care for veterans with a predominant focus on treatment of post traumatic stress disorder. She has also worked collaboratively as an integrated psychiatrist for a primary care FQHC, treating psychiatric symptoms within a primary care setting. Dr. Colberg completed her Psychiatry Residency from Mount Sinai-Beth Israel in New York City and obtained her medical degree from Temple Medical School in Philadelphia. She offers 60-minute initial appointments and 30-minute follow-up appointments, and she won't hesitate to collaborate with other mental health experts as necessary to better support your needs.

Elena Perea, MD

Staff Psychiatrist

Dr. Elena Perea is a board-certified psychiatrist. She completed her undergraduate training at Wake Forest University followed by medical school and residency training at The University of North Carolina at Chapel Hill (UNC).

Dr. Perea holds an adjunct academic appointment at UNC and has been involved in medical education for her entire career. She most recently served as Residency Program Director for the Mountain Area Health Education Center (MAHEC) psychiatry residency in Asheville, NC. She remains involved in didactic education there for both residents and medical students.

She has a genuine interest in treating a vast array of psychiatric disorders including depression, anxiety, bipolar disorders, post-traumatic stress disorders and obsessive compulsive and related disorders. She is a skilled psychopharmacologist and interested in the mind-body connection. She believes physical health greatly affects mental health and vice versa and loves helping patients with medical comorbidities to feel well.

Patients looking for a psychiatrist will find that Dr. Perea has a comprehensive approach to diagnosis and management of her patients. She believes in the principle that body and mind are interconnected and utilizes psychoeducation and psychotherapeutic approaches in addition to medications for total wellness.

Alexandra Hamlyn, MD

Staff Psychiatrist

Dr. Alexandra Hamlyn is a board-certified adult psychiatrist and board-certified child and adolescent psychiatrist. She completed her medical education at Cooper Medical School of Rowan University and then completed her residency in adult psychiatry at Icahn School of Medicine at Mount Sinai Beth Israel. She then went on to complete her child and adolescent psychiatry fellowship at NYU Langone and Bellevue Hospital. During this time, she also taught a course titled Love Actually at NYU School of Arts and Science. During training, Dr. Hamlyn gained extensive clinical experience in psychiatric inpatient, outpatient, and emergency settings, allowing her the opportunity to treat patients of all ages and backgrounds in numerous busy hospitals in New York City. Dr. Hamlyn's primary focus is on medication management, though she also has experience working in four different outpatient clinics where she has gained expertise in multiple different therapy modalities. If appropriate, Dr. Hamlyn will refer you for psychotherapy and collaborate with your therapist to support your care. She appreciates the importance of fostering a meaningful therapeutic relationship, and her goal is to make every patient feel welcomed in a non-judgmental treatment environment. She also takes a holistic approach as she understands that good health creates a sense of overall well-being and improved mental health. She strongly emphasizes the importance of mindfulness, self-compassion, exercise, nutrition, and interpersonal relationships throughout treatment. She looks forward to meeting and working with you.

Mayra Cabrera Dean, MD

Clinical Director, Patient Experience

Dr. Cabrera is a board‐certified psychiatrist with several years of experience working with an ethnically and culturally diverse population in outpatient, inpatient, and psychiatric emergency room settings. Most recently, Dr. Cabrera practiced privately treating adults with a wide range of mental illnesses both in person and via telepsychiatry. Prior to this, she was an attending psychiatrist in the outpatient department and in the Comprehensive Psychiatric Evaluation Center at Mount Sinai Beth Israel where she also served as Associate Training Director of Psychiatric Residency Training. Dr. Cabrera has a strong background in psychopharmacology and supportive and psychodynamic psychotherapy.

Heath Foreman, DO

Staff Psychiatrist

Dr. Heath Foreman is double board-certified in General Psychiatry and Child and Adolescent Psychiatry. He is a Texas native and received his Bachelor of Science in Medical Technology from UTSouthwestern Medical Center in Dallas. His medical degree was earned at the University of North Texas Health Science Center - Texas College of Osteopathic Medicine in Fort Worth. He completed residency and fellowship training at Baylor Scott & White - Texas A&M in Temple and has been practicing since 2015. He served as Medical Director for a community mental health system for 10 years and has experience working with patients who have ADHD, Autism, Intellectual Developmental, Anxiety, Mood and Traumatic Stress Disorders and Psychosis.

Dr. Foreman uses a professional yet conversational style so that patients may feel at ease while developing a comprehensive understanding of the issues at hand. He prefers an educational approach so that patients can gain the knowledge and tools required to achieve improvement.

Dr. Foreman will perform a broad evaluation and work with his patients to create an evidence-based, personalized treatment plan. Subsequent meetings will incorporate medication management as well as psychotherapeutics based on Cognitive Behavioral, Trauma Based and Psychodynamic techniques. He will provide referrals for traditional counseling or testing when appropriate.

‍

Xiomara Nieves Alvarado, MD

Staff Psychiatrist

Dr. Nieves-Alvarado is a board-certified psychiatrist who completed medical training at Duke University Psychiatry Program. Originally from Puerto Rico, she is fluent in both English and Spanish, which allows her to connect deeply with a diverse patient population. Her practice combines medication management with insight-oriented therapy during every visit, promoting a comprehensive approach to mental health care. She advocates for her patients to engage in therapy alongside medication management, as she believes this integrated approach leads to better outcomes and sustained improvement. Dr. Nieves-Alvarado's practice is rooted in a collaborative, team-based approach, working closely with her patients to achieve long-term mental wellness. Dr. Nieves-Alvarado earned her medical degree from the Universidad Central del Caribe School of Medicine in Bayamon, PR. Afterward, she moved to North Carolina, where she completed her residency at Duke University Hospital. During her training, she was nominated for a fellowship in psychodynamic practice by the Psychoanalytic Center of the Carolinas, showcasing her expertise in this area. She is also a dedicated advocate against childhood sexual trauma. Her diverse training includes significant experience in jail and forensic psychiatry, as well as the treatment of military veterans under the Veterans Affairs health care system. She has experience in medically assisted treatments (MAT) for substance use disorders, Electroconvulsive therapy (ECT), and family therapy, enabling her to care for patients with complex needs. Dr. Nieves-Alvarado treats patients across a wide age range, from young adults to the elderly. Passionate about improving access to mental health care, she joined Talkiatry to help patients facing time or transportation challenges receive the care they need. In addition to her clinical practice, Dr. Nieves-Alvarado remains involved with her alma mater's Behavioral Health Department, contributing to academic education and maintaining a connection with the next generation of medical professionals. She continues to seek ongoing improvement in her field, remaining engaged with medical associations including North Carolina Psychiatric Association, American Psychiatric Association, and Alpha Omega Alpha national medical honor society. Dr. Nieves-Alvarado is committed to working hand-in-hand with her patients to achieve mental wellness.

Caitlin Gardiner, MD

Staff Psychiatrist

Dr. Caitlin Gardiner is a board-certified psychiatrist specializing in child and adolescent psychiatry and psychotherapy. Dr. Caitlin Gardiner's practice is based on the biopsychosocial model and believes that the foundation of healing is in psychotherapy and human connection. She is known for incorporating therapy into her medication management practice. Typically she offers 30-minute follow-up visits for medication management with focused therapy based on individual needs. As a known helper, Dr. Gardiner started her career with a bachelor's degree in social work from Cazenovia College in Cazenovia, NY. After changing career paths, she received her medical degree from SUNY Upstate Medical University in Syracuse, NY. She stayed upstate to complete her general psychiatry residency, where she was chief resident at the beginning of the COVID-19 pandemic. Following this, she completed her child and adolescent psychiatry fellowship at Upstate due to the high quality of training. Dr. Gardiner has completed 3 years of advanced training in Dynamic Deconstructive Psychotherapy as well as specialized training in DBT. Dr. Gardiner is a well-rounded psychiatrist who enjoys treating youth and young adults during transitional phases of life while providing a safe and supportive environment. She believes strongly in reducing polypharmacy and providing high-quality medication management through a therapeutic and developmental lens.

Riddhi Kothari, DO

Staff Psychiatrist

Dr. Kothari's treatment approach begins with establishing a good therapeutic rapport with her patients and listening to her patients so that they feel heard. Dr. Kothari likes to spend time providing psychoeducation on medications when discussing the treatment plan. Dr. Kothari's practice focuses on medication management primarily, but may incorporate supportive psychotherapy during medication visits. Dr. Kothari may recommend additional psychotherapy if she feels a patient may benefit from this. Dr. Kothari's current practice does not include the use of any controlled substance medications, such as stimulants, benzodiazepines, and certain sleep aids.

Michelle Vasquez, LPC

Staff Therapy

Michelle E. Vásquez has been a Licensed Professional Counselor for over 27 years. She has been specializing in grief work since 2012. Many of her clients are living with the loss of loved ones or experiencing other types of non-death loss, such as divorce, job loss, and other significant life changes. Her primary goal is to truly listen to your experience and help you work through it, creating a plan of action together. It is your therapy, and your active involvement is crucial. When dealing with grief, you may still be in pain and need to talk about it long after others want you to stop talking. This is when therapy can be helpful. Your grief journey is at your pace. Michelle uses Cognitive Behavioral Therapy and Solution-Focused Therapy, along with other approaches that help you address loss and trauma in unique ways to begin to write your healing story. She has also worked with domestic violence survivors and child abuse survivors. Michelle works with clients both in English and Spanish and has experience with immigrant populations from many countries. Michelle graduated from Our Lady of the Lake University in 1993. She is currently studying Internal Family Systems Therapy to help her provide you with new ways to address the challenges that bring you to therapy.

Suzann Gordon, PMHNP

Staff Nurse Practitioner

Dr. Suzann Gordon is a board certified psychiatric mental health nurse practitioner who graduated with her Doctor in Nursing Practice from the University of Nevada Reno. Her years of experience in the mental health field began when she became a behavioral health counselor working with adolescents, then as a psychiatric nurse working with patients across the life span. She's worked in various healthcare settings including pediatric and adolescent residential treatment, acute inpatient care and outpatient as a nurse case manager on the Assertive Community Treatment (ACT) Team for the state hospital.

Since Dr. Gordon has become a psychiatric mental health nurse practitioner, she has worked in community health clinics providing both psychiatric medication management and medication-assisted treatment to patients. She has treated patients with various diagnoses including anxiety, depression, post-traumatic stress disorders, obsessive compulsive disorders, bipolar disorders, schizoaffective disorders, schizophrenias, alcohol abuse disorder and substance use disorders.

As a nurse practitioner, she believes in focusing on patient-centered care, providing a holistic approach to patient management and having a collaborative approach to mental health treatment. She uses supportive psychotherapy and at times cognitive behavioral therapy to help her patients change their thoughts and behaviors in managing their stressors.

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. ‍

Krista Alexander , MD

Education and training

Get to know