Parker Loy, MD

Staff Psychiatrist
Languages
English
Conditions Treated
ADHD
Anxiety
Bipolar Disorder
Depression
Obsessive-compulsive disorder (OCD)
PTSD/Trauma

Education and training

  • The University of Tennessee, Knoxville, BS
  • University of Tennessee Health Science Center, MS
  • University of Tennessee Health Science Center, MD
  • University of Tennessee Health Science Center, Residency

Get to know

Parker Loy, MD

Dr. Parker Loy is a board-certified Psychiatrist at Talkiatry. After finishing undergraduate studies at the University of Tennessee, Knoxville, he completed the University of Tennessee Health Science Center (UTHSC) Master of Science program before enrolling in medical school at the same institution. After graduating from medical school, he completed his residency at UTHSC, during which he trained in a variety of inpatient and outpatient settings and treated a broad spectrum of mental health conditions. He enjoys treating a wide variety of conditions, including mood and anxiety disorders. Therapeutic techniques are incorporated into medication management visits when indicated, and collaboration with therapists may also be recommended.

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Frank Miller, LPC

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Frank Miller is a Licensed Professional Counselor with years of experience in a variety of mental health settings. Frank has worked in hospitals, community mental health care, a treatment center for clients struggling with co-occurring mental health and substance use disorders, as well as providing individual outpatient therapy to a wide variety of clients.

Frank attended graduate school at Midwestern State University in Wichita Falls, TX, while working in the mental health field, earning a Masters degree in their Clinical Mental Health Counseling Program in 2019. Frank has provided individualized, client-focused therapy for adults and adolescents since that time, helping others to find purpose and meaning in their lives.

Frank utilizes a combination of Cognitive Behavioral Therapy, Dialectical Behavior Therapy, and Reality Therapy, depending on the client’s needs. Frank believes that we can all benefit from eliminating distorted thinking leading to negativity and self-defeat, and becoming more emotionally regulated, stress tolerant, and mindful, putting us back into the driver’s seat of our daily lives. We may then achieve the freedom to positively fulfill our needs, pursue our goals, and feel confident in our journey towards balance and peace of mind.

Jason Reece Sadeh, MD

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Dr. Jason Reece Sadeh is a compassionate, highly skilled, and board-certified psychiatrist dedicated to patient care. With a blend of professionalism and a touch of levity, Dr. Sadeh brings a unique approach to psychiatry that combines expertise and a warm, relatable demeanor. Dr. Sadeh completed his undergraduate degree at Washington University in St. Louis. He then graduated from the Sackler School of Medicine, New York Program. Dr. Sadeh completed his psychiatry residency at New York Medical College, Metropolitan Hospital, where he was selected to serve as chief resident during his final year. When not practicing psychiatry, Dr. Sadeh finds joy in pursuing various hobbies and interests, including tennis, figure skating, exploring new restaurants, and watching all things Bravo. Dr. Sadeh specializes in psychopharmacology, especially tailoring individualized treatment to serve the needs of patients with a variety of conditions. He has a lot of experience in treating patients with ADHD, depression, bipolar disorder, anxiety disorders, eating disorders, and OCD. If deemed helpful or necessary, Dr. Sadeh may recommend the addition of a therapist with whom he will collaborate in order to facilitate the best care for his patients. As a patient of Dr. Sadeh, you can expect a warm and welcoming environment where you can feel comfortable sharing your concerns and working towards improved mental health.

Mary Bartek, MD

Staff Psychiatrist

Dr. Bartek holds the position of Staff Psychiatrist at Talkiatry. She is board-certified in General Psychiatry, Pediatrics, and Child and Adolescent Psychiatry. She has been caring for children and adolescents as a physician for more than 15 years. Dr. Bartek's approach is holistic, collaborative, supportive, and patient-centered. Dr. Bartek draws on her years as a pediatrician working with families and children in her work as a psychiatrist. Dr. Bartek incorporates therapeutic techniques into medication management visits, but she may also recommend adding a therapist to your care team for the best results. She received her medical degree from the University of Washington School of Medicine in Seattle, WA, before moving to Memphis to complete her residency in Pediatrics at the University of Tennessee Health Sciences Center and Le Bonheur Children's Hospital. She completed her undergraduate studies at Haverford College in Pennsylvania. After completing training, she remained in Memphis and worked in the Le Bonheur Children's Hospital Emergency Department as a pediatrician. She then moved to Nashville to work at the Monroe Carell Jr. Children's Hospital at Vanderbilt in the Emergency Department Fast Track and After-Hours Clinics. Dr. Bartek transitioned to primary care pediatrics at Pediatric Associates of Davidson County for several years before returning to the University of Tennessee Health Science Center in Memphis to complete the Child and Adolescent Psychiatry Post-Pediatric Portal Fellowship program. Dr. Bartek's primary clinical focus is treating children and adolescents.

Stephanie Powers, DO

Staff Psychiatrist

Background and credentials

Dr. Stephanie Powers is a board-eligible psychiatrist with over 18 years of experience in psychiatric care. She earned her advanced medical degree from Adelphi University and completed her psychiatry residency training at SUNY Stony Brook University Hospital and Medical Center. Additionally, she holds a master’s degree in Developmental Psychology from Columbia University. Dr. Powers has held academic roles as an Associate Professor at Stony Brook University Hospital Medical Center and as a clinical instructor at New York College of Osteopathic Medicine, where she has supervised and trained residents and medical students.

Treatment approach

Dr. Powers specializes in medication management and supportive therapy, providing compassionate psychiatric care tailored to individual patient needs. She has extensive experience treating adults in inpatient, outpatient, and emergency psychiatric settings, with a particular focus on PTSD in veterans. She has worked at Zucker Hillside Hospital, Pederson-Krag, Brookhaven Memorial Hospital, Northport VA Medical Center, Nassau University Medical Center, and Damian Family Care Centers. Her treatment philosophy is centered on helping patients reach their full potential and improve their overall quality of life.

What you can expect in a first visit

During the first visit, patients can expect a comprehensive psychiatric evaluation, where Dr. Powers carefully assesses their symptoms, medical history, and personal goals. She prioritizes collaborative treatment planning, ensuring that each patient receives a personalized approach that may include medication management and therapeutic interventions. Her approach is patient-centered and focused on fostering well-being, with ongoing support to help individuals achieve their mental health goals.

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.

Annamaria Moldovan, MD

Staff Psychiatrist

Dr. Annamaria Moldovan completed her medical education at the University of Medicine and Pharmacy in Cluj, Romania. She completed a Residency program in Family Medicine at the same institution and was Board certified in the specialty. After coming to the US, she completed the Residency program in Psychiatry at the VCU-Medical College of Virginia. She is board certified in Adult Psychiatry. She became interested in the in-depth study of human development and behavior and enrolled in a program called "Modern Perspectives on Psychodynamic Psychotherapy " at the Washington Psychoanalytic Institute in D.C. When it comes to therapeutic interventions, Dr. Moldovan approaches the bio psychosocial treatment model, where the integration of psycho pharmacology with psychotherapy leads to the best outcomes. Prior to joining Talkiatry, she served as the lead physician for the Program of Assertive Community Treatment in Richmond, Va, while also mentoring psychiatry residents from VCU in the psychodynamic psychotherapy modality. After moving to Providence, RI, she worked at the RIH Department of Psychiatry, in the inpatient and outpatient settings, being awarded the title of Clinical Assistant Professor of Psychiatry and Human Behavior at the Warren Alpert Medical School of Brown University. Later, she worked for the Steward Physicians Group at the Morton Hospital in Taunton, MA, where she had the privilege of working in the Inpatient Geriatric Unit, as well as in the outpatient clinic. She is excited to join Talkiatry, beginning a new chapter in her career. The conditions she is most interested in treating are the Depressive disorders, Anxiety Disorders, PTSD, OCD, Bipolar, ADHD, Cognitive Disorders, and Personality Disorders.

Michelle Hornbaker-Park, MD

Staff Psychiatrist

Dr. Michelle Hornbaker-Park is a board-certified General and Child and Adolescent Psychiatrist with over nine years of experience. Her practice focuses on medication management, which is founded not only on evidence-based medicine but also on the understanding that a trusting therapeutic relationship is the cornerstone of behavioral health healing. She incorporates CBT, supportive therapy, and psychoeducation into her medication management appointments and may refer patients for additional psychotherapy to improve outcomes. Dr. Hornbaker-Park received her Bachelor of Science degree from Ursinus College, with a dual major in Biochemistry/Molecular Biology and Neuroscience. After receiving a Health Professions Scholarship from the Army, she obtained her medical degree from Jefferson Medical College. She went on to enter active duty military service and complete General Psychiatry residency training and Child and Adolescent Psychiatry fellowship training at Tripler Army Medical Center before completing active duty service as a staff psychiatrist and 101st Airborne Division psychiatrist at Fort Campbell, KY. There she cared for active duty service members and their families to manage depression, anxiety, trauma, and the unique stressors of military service. She later transitioned to federal civilian service and served as a preceptor for Phase II Physician Assistant trainees and Army Social Work interns, reinforcing a passion for education that carried her to Walter Reed National Military Medical Center (WRNMMC). During her time at WRNMMC, she served in several roles including Deputy Medical Director of Inpatient Psychiatry, core faculty for the National Capital Consortium Psychiatry Residency Program, Associate Program Director, and associate faculty at the Uniform Services University for Health Sciences (USUHS). Prior to transitioning out of federal service to join Talkiatry, she was repeatedly recognized for excellence in academics and mentorship and received multiple teaching awards. This zeal for education and mentorship, as well as humility, personal growth, and learning, translates directly into her philosophy for patient care. She believes a whole-person approach with open, collaborative teamwork is the key to progress.

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.

Shannon McElhone, LMHC

Staff Licensed Mental Health Counselor

Shannon McElhone is a Licensed Mental Health Counselor in New York and Massachusetts. She has over ten years' experience working in the mental health field. Shannon has experience working with children, adolescents, and adults seeking assistance in managing their experiences with depression/mood challenges, anxiety, life transitions, self-esteem, trauma, attention focus, and relationship issues. Shannon utilizes humanistic, person-centered, collaborative, strength based, cognitive behavioral, mindfulness based, solution focused and emotionally focused approaches to therapy while maintaining an open, flexible, creative atmosphere to remain aware of the unique and individual needs of each client. Shannon seeks to create a non-judgmental and safe environment where a caring relationship can be built with her clients to utilize and add to their strengths. Through her practice, a collaboration can bring her clients towards achieving their goals and living the life they desire. Shannon completed her Bachelor of Arts in Human Relations from St. Joseph's College and received her Master of Science in School Counseling and Extended Master of Science in Clinical Mental Health Counseling from Long Island University. Shannon's years of experience include working as a Rehabilitation specialist/therapist at a Pros program, a psychotherapist at an outpatient clinic, a Child and Youth Behavioral Military Family Life counselor working with children and families on a Military base in New York. More recently, Shannon has held a role as a psychotherapist on an online platform that provides virtual therapy and continues to engage in this role at Talkiatry. Shannon's specialties include: Depression, Anxiety, OCD- Obsessive Compulsive Disorder, ADHD, Trauma, Grief & Loss, Stress management, Life transitions, Self-esteem issues and Relationship issues.

Jessica O'Mara, DO

Staff Psychiatrist

Dr. O’Mara is a board-certified geriatric and general adult psychiatrist. She is originally from Ohio where she obtained her bachelor’s degree in neuroscience and psychology from Wright State University and attended medical school at Ohio University. She completed her psychiatry residency and geriatric psychiatry fellowship through Michigan State University at Pine Rest in Grand Rapids, Michigan. She has provided psychiatric care in both inpatient and outpatient settings. She was a faculty member and Associate Program Director for Trinity Health Livonia’s psychiatry residency. In her free time, she enjoys drawing and hiking.

Dr. O’Mara eagerly treats a wide range of age groups and conditions and is passionate about patients coping with chronic medical conditions and caregivers. She also has experience with perinatal mood disorders, obsessive compulsive disorder, and PTSD. She strives to deliver evidence-based treatment tailored to her patient’s individual needs.

In addition to medication management, she incorporates brief therapy modalities into her appointments including supportive therapy, cognitive behavioral therapy, and dialectical behavioral therapy skills. She will work with you to determine if more comprehensive therapy may be needed. She also can provide practical and realistic behavioral strategies to caregivers and patients with memory changes. Dr. O’Mara prefers to meet patients where they are in a supportive, safe, and non-judgmental environment.

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.

Mallory Jacobs, MD

Staff Psychiatrist

Dr. Jacobs is board-certified in Adult Psychiatry by the American Board of Psychiatry and Neurology. She specializes in medication management for adult patients across a range of psychiatric conditions, with a focus on treating depression, anxiety, bipolar disorders, and ADHD. Dr. Jacobs employs a therapeutic approach to medication management, incorporating supportive and psychodynamic psychotherapies into her sessions. She selects psychopharmacological treatments and therapies tailored to each patient's individual needs and symptoms. Dr. Jacobs earned her Bachelor of Science in Science and Business from the University of Notre Dame. She graduated from medical school at the University of Mississippi, where she was honored with membership in the Gold Humanism Honor Society for her exceptional clinical skills, interpersonal abilities, and dedication to patient care. She then returned to Texas to follow her passion for mental health, completing her residency in Psychiatry at the University of Texas Southwestern Medical Center. Dr. Jacobs developed a strong enthusiasm for enhancing mental health care within communities and completed a fellowship in Community Psychiatry through the UT Southwestern Altshuler Center for Education and Research in the Dallas-Fort Worth area. Over the years, she has worked with major community mental health organizations across Texas and has recently focused on leveraging telemedicine to coordinate mental health support with primary care providers. Throughout her career, Dr. Jacobs has been committed to psychiatric research, educational initiatives, and organizational efforts to advance mental health care education and patient care in communities. She is an active member and leader in several medical and psychiatric organizations. Dr. Jacobs takes great pleasure in connecting with patients via telemedicine, focusing on meeting them where they are in their mental health journey and supporting their needs and goals.

Christine Reyes, MD

Staff Psychiatrist

Background  and credentials    

Dr. Christine Reyes is a bilingual Spanish-speaking adult psychiatrist with  25 years of experience. She completed her residency in Adult Psychiatry at  Saint Vincent's Hospital and Medical Center in New York City and subsequently  completed a Child Psychiatry fellowship at the University of Pennsylvania in  Philadelphia. Dr. Reyes has extensive experience practicing in outpatient and  community mental health settings.    

Treatment approach    

Dr. Reyes provides compassionate psychiatric care using pharmacotherapy  combined with supportive psychotherapy. She specializes in treating anxiety,  depression, bipolar disorder, post-traumatic stress disorder (PTSD), and  numerous other psychiatric conditions. Additionally, Dr. Reyes emphasizes  nutritional counseling, assisting patients in achieving and maintaining a  healthy weight as part of their overall wellness plan.    

What you can expect in a first visit    

Patients can expect a compassionate and thorough initial assessment aimed  at understanding their psychiatric symptoms, personal health goals, and  lifestyle considerations. Dr. Reyes combines medication evaluation with  supportive psychotherapy and may discuss nutritional guidance as part of a holistic  treatment plan. She prioritizes creating a supportive environment for  bilingual (English/Spanish) patients to openly discuss their mental health  concerns.    

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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