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Our Doctors

Our approach to chemical dependency is different from any addiction treatment program in New York City. Our doctors provide confidential, comprehensive care in one setting that is tailored to the individual. Our emphasis is on the integration of a psychotherapeutic approach with a limited and careful use of medication.Unlike many psychiatrists that only prescribe medication or programs that can only offer therapy, our practice is based on the research-proven fact that patients who require mental healthcare respond best to a combination of therapy and medication. At Fifth Avenue Psychiatry, you do not have to be referred out to someone else for “medication management.”

Photograph of Samuel Glazer, MD

Samuel Glazer, MD

Samuel Glazer, MD, a psychiatrist nationally known for his work with addicted executives and professionals, began his private practice in 1998. Dr Glazer has been recognized as a Castle Connolly Top Doctor since 2015, and was recently featured in New York Magazine’s Best Doctors issue. He is a Board Certified Psychiatrist and Addiction Psychiatrist, and is a Life Fellow of the American Psychiatric Association.

Olga Megwinoff, MD

Dr. Megwinoff is a Board Certified Psychiatrist who trained at NYU Langone Health where she completed her residency in Psychiatry in 2000. At NYU Langone Health, Dr. Megwinoff was exposed to and gained an expertise in the treatment of substance abuse disorders and alcoholism. After finishing residency at NYU, Dr Megwinoff attended the Child and Adolescent Fellowship at Albert Einstein College of Medicine. As a private practice clinician, Dr. Megwinoff has been formally learning Buddhist Meditation for the last 10 years.

Photograph of Olga Megwinoff, MD
Photograph of Dr. Tracey Bassett, Psy.D.

Dr. Tracey Bassett, Psy.D.

Dr. Bassett is a licensed clinical psychologist in New York State. Dr. Bassett is a specialist in working with adolescents and young adults. She has combined her strong background in adolescent psychology, DBT (see below) and family treatment with Dr. Glazer’s focus on chemical dependency and addiction to create a program at Fifth Avenue Psychiatry specifically designed for adolescents and emerging adults with substance abuse issues.

Dr. Britt Gottlich, Psy.D.

Dr. Gottlich is a Licensed Clinical Psychologist. Dr. Gottlich has expertise in the treatment of addictions and trauma in adolescents and adults, as well as symptoms of anxiety and depression. She is an expert in both evaluation and treatment of these disorders.

Photograph of Dr. Britt Gottlich, Psy.D.
Photograph of Dr. Ronnit Nazarian, Psy.D.

Dr. Ronnit Nazarian, Psy.D.

Dr. Nazarian is a Licensed Clinical Psychologist who specializes in the treatment of anxiety disorders, depression, and relationship difficulties in children, adolescents, and adults. She has expertise in substance use and addiction (e.g, alcohol, cocaine, opioids, porn, social media, marijuana) and focuses on understanding and treating the underlying disorders (e.g., anxiety, depression, post-traumatic stress disorder) that drive the addiction.

Dr. Hannah Mitchell, PhD, MPH

Dr. Mitchell is a licensed clinical psychologist with expertise in assessment and evaluation and psychotherapy for psychological and physical health concerns in adults and adolescents (e.g., anxiety, ADHD, depression, substance use and addiction, PTSD, relationship problems, sleep, chronic pain, caregiving, chronic illnesses like cancer).
Photograph of Dr. Hannah Mitchell, PhD, MPH

Accreditations and Awards

castle connolly top doctors 2024
The American Board of Psychiatry and Neurology Logo
NYU Langone Health Logo
New York Best Doctors Logo (typeface)