Saisha Saint-Cyr, MD

Deborah Bearman, PMHNP, is a board-certified psychiatric nurse practitioner dedicated to helping individuals facing mental health challenges live more fulfilling lives.

She earned her Master of Science in Nursing with a specialty in psychiatry from SUNY Upstate Medical University. Deborah is trained in psychiatric diagnosis, medication management, and both psychodynamic and cognitive behavioral therapies. Over the past 10 years, she has gained valuable experience in a variety of settings, including inpatient and outpatient facilities, community mental health clinics, and private practice.

Deborah approaches adult mental health from a holistic perspective, combining medication management with supportive counseling, which she offers during 30-minute follow-up sessions. While her primary focus is medication management, she believes most individuals benefit from therapy as well. She has extensive experience in both psychodynamic and cognitive behavioral therapies and is committed to providing psychoeducation to patients, families, and caregivers.

As a psychiatric nurse practitioner, Deborah values the therapeutic relationship and its positive impact on daily functioning. By working collaboratively with patients to create comprehensive and effective treatment plans, she supports them in achieving healthier, more satisfying lives.

‍

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.‍

Megan O’Brien is a board-certified Psychiatric Mental Health Nurse Practitioner (PMHNP) with experience in inpatient, outpatient, and emergency mental health settings. She earned her NP degree from UCSF, the top-ranked program in the country at the time. In addition to clinical work, she enjoys teaching and is passionate about training the next generation of compassionate psychiatric nurse practitioners.

Megan believes in meeting patients where they are, offering empathy, respect, and acceptance. She values open communication and sees treatment as a collaborative process. Her approach empowers patients to take the lead in their care while she supports them as a partner and guide along the way.

Megan begins by listening carefully to each patient’s story and asking relevant questions to understand their needs. Together, she and the patient build a tailored treatment plan that aligns with their goals. Her focus is on reducing mental health symptoms and helping people experience greater freedom and flexibility in their lives.

Dr. Bloom is a psychiatrist with over 30 years of clinical experience. She earned her medical degree from the University of Rochester School of Medicine & Dentistry in Rochester, NY, and completed her psychiatry residency at the University of Cincinnati.

"What should a new patient know about working with you?"

Throughout her career, Dr. Bloom has worked in a variety of settings including inpatient, outpatient, emergency, and consultation services, with a focus on the public sector. She has been privileged to treat underserved populations and military veterans and has enjoyed mentoring medical students and psychiatry residents. Dr. Bloom has expertise in treating a wide range of psychiatric conditions, including clinical depression, post-traumatic stress disorder, and other anxiety disorders.

Dr. Bloom takes a collaborative approach to care, believing that the best outcomes are achieved through a close partnership with her patients. She views them as experts in their own experiences and works with them to combine their insights with her expertise in medication management to minimize suffering. Patient education is a cornerstone of her practice. She typically combines supportive psychotherapy with medication management and is also trained in mindfulness techniques and Internal Family Systems psychotherapy.

‍

Dr. Samuel Russell is a psychiatrist at Talkiatry. He is board certified in Addiction Psychiatry and Adult Psychiatry. His particular clinical focus is on the treatment of Obsessive Compulsive Disorder, and behavior addictions, as well as trauma, mood, and anxiety disorders. Dr. Russell's practice focuses on evidence-based treatments for psychiatric illness that utilizes a combination of medications and psychotherapy modalities best suited for an individual patient and their needs. He offers this in conjunction with supportive or emotionally focused therapy in 30-minute follow-up visits. Weekly hour-long psychotherapy may be available if indicated. However, occasionally, Dr. Russell may believe that different therapies are also needed and ask that you bring a therapist into your care team to provide the best outcome. He received his medical education at the University of Washington in Seattle after completing undergraduate studies in psychology and later a post-baccalaureate at Boston University. After residency at the University of Chicago where he specialized in addiction psychiatry and psychotherapy, he completed an Addiction Psychiatry Fellowship at the University of Washington in Seattle.

Edmund Clark, MD, serves as Chief Psychiatrist at Talkiatry with over 17 years of board-certified experience, including more than 5 years delivering tele-psychiatric care to underserved areas. His career spans 23 years in public service, including leadership roles as Chief of the VA Mental Health Clinics in Jacksonville, FL, and program manager for the University of Florida’s Psychiatry Residency Training Program. A former U.S. Navy psychiatrist, he deployed multiple times, including to Iraq in support of an Army Combat Stress Control clinic, gaining expertise in evidence-based PTSD treatments. Dr. Clark earned his medical degree from the University of Florida and completed his psychiatry residency at the National Naval Medical Center and Walter Reed, serving as chief resident for over 50 military trainees. Before medicine, he served in the U.S. Peace Corps in Kenya.

Dr. Clark values a collaborative approach built on honesty, rapport, and ensuring patients feel heard. He helps patients identify and address multiple factors influencing their mental health, aiming for positive, lasting changes that improve function across life domains. He encourages evidence-based therapies and, when needed, involves other providers to support comprehensive care.

Dr. Clark uses measurement-based tools to assess medication efficacy and guide treatment decisions. He integrates supportive psychotherapy to strengthen coping skills and reduce negative thinking, while incorporating motivational interviewing techniques to promote recovery and self-improvement.