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Irene Pastis, MD

Staff Psychiatrist
Languages
English
Greek
SPECIALTIES
ADHD
Anxiety
Bipolar Disorder
Depression
LGBTQIA+
Obsessive-compulsive disorder (OCD)
PTSD/Trauma
Perinatal Psychiatry
Phobias
Postpartum Depression
Geriatric
Medication Management

Education and training

  • University of Maryland, BS
  • St George's University, MD
  • The Brody School of Medicine at East Carolina University, Residency

Get to know

Irene Pastis, MD

Dr. Irene Pastis is a board-certified psychiatrist who specializes in adult psychiatry.  She completed residency training at East Carolina University in both internal medicine and psychiatry.  After residency, she pursued her passion in psychiatry and stayed on as a clinical assistant professor in the department of psychiatry at East Carolina University.  In this role she specialized in treating adults with mental illness in both the inpatient and outpatient settings.  She has spent a considerable amount of time teaching residents and medical students and has published several papers focusing on the neuroscience pathways of mental health conditions.  In her daily practice, Dr. Pastis focuses on evidence-based treatments utilizing the latest clinical guidelines and current approved treatments.  In addition to medication management, she also incorporates psychotherapy in the treatment of mental health conditions.  Dr. Pastis is passionate about taking a collaborative approach with her patients to help them reach their potential.

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Dr. Meghan Fahy Hebishi is double-board certified in General Psychiatry and Child and Adolescent Psychiatry. Originally from Delaware, Dr. Hebishi earned her medical degree from the Philadelphia College of Osteopathic Medicine in 2017. She also obtained a Master of Science in Biological Sciences from Drexel University and a Bachelor of Science in Biology from Juniata College. In 2017, Dr. Hebishi moved south and is happy to call North Carolina her home. She completed her internship at Campbell University/Harnett Health in 2018. She went on to complete a General Psychiatry Residency followed by a Fellowship in Child and Adolescent Psychiatry at East Carolina University Brody School of Medicine. Prior to joining Talkiatry in 2025, Dr. Hebishi was in private practice at North Raleigh Psychiatry in Raleigh, NC.

Dr. Hebishi is experienced in treating children, adolescents and adults. She utilizes medication management and psychotherapy in her clinical practice. Her areas of interest include ADHD across the lifespan, anxiety disorders, mood disorders (depression and bipolar disorder) and OCD. She is dedicated to building a collaborative relationship with patients and their families where shared-decision making is respected and encouraged. She is passionate about providing continuity of care to her patients as they navigate life's changes and challenges.

Georgia Gaveras, DO

Co-Founder and Chief Medical Officer

Dr. Georgia Gaveras holds the position of Co-Founder and Chief Medical Officer at Talkiatry. She is triple board-certified in child and adolescent psychiatry, adult psychiatry, and addiction medicine. She has been practicing for over 18 years. Dr. Gaveras's practice focuses on medication management. Typically, she offers this in conjunction with supportive or emotionally focused therapy in 30-minute follow-up visits. However, occasionally Dr. Gaveras may believe that additional therapy is also needed and ask that you bring a therapist into your care team to provide the best outcome. She received her medical degree from the University of New England College of Osteopathic Medicine in Biddeford, ME, before moving back to NY to complete her residency at the SUNY Downstate Medical Center and a fellowship in child and adolescent psychiatry at St. Luke's-Roosevelt Hospital. After completing training, she remained and worked with dually-diagnosed adolescents at the Comprehensive Rehabilitation and Education Service (CARES) before becoming the Director of Training and Education for the Mount Sinai St. Luke's and Roosevelt Hospitals. She was then the associate director of child and adolescent emergency psychiatry at Cohen Children's Medical Center before becoming the Director of the Comprehensive Psychiatric Emergency Program (CPEP) at Kings County Hospital in Brooklyn. Dr. Gaveras has held academic appointments at Columbia University College of Physicians and Surgeons, Mount Sinai Icahn School of Medicine, Touro College of Osteopathic Medicine, Zucker School of Medicine, and SUNY Downstate Medical College. In addition, she has appeared in numerous professional publications and authored several research papers. In addition to general, child, and adolescent psychiatry, Dr. Gaveras is also board-certified in addiction medicine and trained in the Eating Disorders, Compulsions and Addictions Service (EDCAS) program at the William Alanson White Institute. She completed her undergraduate studies at New York University. While having treated a wide variety of patients, her primary clinical focus has been in treating adolescents and young adults with co-occurring substance use disorders.

Regina Fu, DO

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Dr. Regina Fu is a board-certified psychiatrist who began her interest in Psychiatry while studying Psychobiology at UCLA. After completing her General Psychiatry residency at University of Rochester, she emphasizes a holistic approach to mental health treatment using the biopsychosocial foundation. Her approach to patient care combines evidence-based medicine while recognizing the individual factors that can influence well-being. She has a special interest in Cultural Psychiatry and prioritizes providing personalized and effective care to a diverse patient population.

Marc Whaley, MD

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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.

Alicia Garcete, MD

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Dr. Alicia Garcete is a board-certified child, adolescent, and adult psychiatrist in practice for over 12 years. Her practice focuses on medication management, recognizing  family involvement is extremely important and is an integral part of treatment. Dr Garcete has treated a wide variety of patients. Her primary focus is treating depression, anxiety disorders, ADHD, PTSD and OCD. Additionally, she can provide supportive therapy and elements of cognitive-behavioral therapy but on occasions more therapy support may be needed, and the recommendation to bring a psychotherapist on the care team may occur to provide an optimal outcome. Dr. Garcete is bilingual and provides care in both Spanish and English.

Prior to Talkiatry, Dr Garcete treated children, adolescents, and adults was at the intensive outpatient and partial hospitalization levels of care with focus on behavioral approaches in the Depression recovery and Anxiety/OCD programs.

Dr. Garcete earned her Medical Degree from the Universidad Nacional de Asuncion, Facultad de Ciencias Medicas in Paraguay. She completed her general psychiatrist residency at Maimonides Medical Center in New York. She was also a Fellow in Psychoanalysis at the Psychoanalytic Institute, Affiliate to New York University School of Medicine, and completed her child and adolescent psychiatrist fellowship at Elmhurst Hospital Center, affiliate to Mount Sinai Hospital. Dr. Garcete also held a clinical assistant professor appointment from the department of psychiatry at SUNY Downstate Medical Center.

Moni Baidya, MD

Staff Psychiatrist

Background and credentials

Dr. Moni Baidya is double board-certified in adult and geriatric psychiatry with over nine years of experience. She earned her medical degree from Manipal College of Medical Sciences and completed her psychiatry residency and geriatric fellowship training at the University of Virginia, Charlottesville. Her background includes work in nursing homes, acute rehabilitation centers, inpatient psychiatric units, and outpatient settings, providing care for diverse patient populations.

Treatment approach

Dr. Baidya strongly believes that developing a good therapeutic rapport is essential for successful treatment. Her practice primarily focuses on medication management, often combined with supportive, psychodynamic, cognitive-behavioral (CBT), and couple’s therapy in 20–30 minute follow-up visits. She takes a holistic approach, particularly for patients with complex medical conditions that impact emotional health, collaborating with interdisciplinary teams and family members when appropriate. In addition to general adult psychiatry, she specializes in geriatric psychiatry and women’s mental health, with a primary focus on treating women with mood and anxiety disorders and geriatric patients with newly diagnosed psychiatric conditions.

What you can expect in a first visit

During the first visit, patients can expect a comprehensive evaluation where Dr. Baidya takes the time to assess their symptoms, medical history, and treatment goals. She fosters a collaborative and supportive environment, ensuring that treatment plans are tailored to individual needs. Follow-up visits typically last 20–30 minutes, with a focus on medication adjustments and therapeutic support. If additional therapy is necessary, she may recommend integrating a therapist into the patient’s care team for the best possible outcome.

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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Specialties
ADHD
Anxiety
Bipolar Disorder
Depression
LGBTQIA+
Obsessive-compulsive disorder (OCD)
PTSD/Trauma
Perinatal Psychiatry
Phobias
Postpartum Depression
Geriatric
Medication Management
States
New York
North Carolina
Virginia
Illinois
Languages
English
Greek
Takes insurance
Virtual visits
7 years experience