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James B. Snyder, MD

Harvard Trained
Board Certified Psychiatrist
Child, Adolescent & Adult Psychiatry

 Dr. James Snyder, M.D., is a Harvard trained, Board Certified Psychiatrist with more than 20 years of clinical experience.

Dr. Snyder is well known for his sensitivity, careful clinical assessment and expertise in the psychopharmacological (medication) treatment of children, adolescents and adults with psychiatric disorders: Attention Deficit Hyperactivity Disorder (ADHD), Anxiety Disorders, Obsessive Compulsive Disorder (OCD), Autism Spectrum Disorders - Asperger's Syndrome, Mood Disorders, Tourette's Disorder and Selective Mutism.

Dr. Snyder earned his medical degree from Stony Brook School of Medicine and then completed his Adult Psychiatry Residency and Child and Adolescent Psychiatry Fellowship at Massachusetts General Hospital, Harvard Medical School in 1997.

Dr. Snyder has also served as Director of the ADHD Program at the North Shore - LIJ Health System, Psychiatrist to the Westbrook Preparatory School for High Functioning Autism in Westbury, NY and has held academic appoint-ments as Assistant Professor of Clinical Psychiatry at NYU School of Medicine and SUNY Stony Brook Department of Pediatrics.

Dr. Snyder is the owner and Founder of Long Island Psychiatric in Glen Head, recipient of the John J. Byrne Community Center Outstanding Advocate for Children & Youth Award and the author of Jimmy Racecar, a children's book dealing with self esteem issues and ADHD.

Dr. Snyder is available for evaluation and treatment of children and adults in his private practice office in Glen Head, NY.


Jellinek M, Snyder J. Depression and Suicide in Children and Adolescents. Pediatrics in Review. 1998;Vol 19 No.8:255-264.

Wozniak J, Biederman J, et al. Mania in Children With Pervasive Developmental Disorder Revisited. J Am Academy Child Adolescent Psychiatry. 1997;36:11:1552-1560

Anna Holmgren, MD

Harvard Trained,
Board Certified Psychiatrist
Adult Psychiatry

 Anna Holmgren, M.D., is a board-certified psychiatrist at Long Island Psychiatric with special interest in psychopharmacology and adult psychiatry. Dr. Holmgren brings nearly 20 years of clinical experience in evaluation and management of symptoms including anxiety, panic attacks, depression, post-traumatic stress disorder and attention deficit hyperactivity disorder (ADD/ADHD). Additionally, Dr Holmgren works regularly with parents of children suffering psychiatric disorders.

A graduate of the Medical University of South Carolina, Dr. Holmgren and Dr. Snyder trained together at Massachusetts General Hospital of Harvard Medical School where she completed her psychiatry residency and fellowship. She holds two board certifications - from the American Board of Psychiatry and Neurology and also the American Board of Subspecialties in Psychosomatic Medicine (emphasizing the mind body connection of biological psychiatry).

Dr. Holmgren is actively involved in teaching and has served as a lecturer and instructor in psychiatry at Harvard Medical School, the University of California at Davis, The Mt. Sinai Medical Center and New York University. She has supervised medical students, psychiatrists in training, social workers and nurses.

Dr. Holmgren has been featured on both local and national television programs on topics from seasonal affective disorder to postpartum depression.

In 2005, Dr. Holmgren served as a medical volunteer in New Orleans immediately following Hurricane Katrina and remained involved in the recovery effort the following year. In 2007, she was awarded the American Psychiatric Association's prestigious "Profile in Courage" award in recognition of her work in New Orleans with first responders and law enforcement in the immediate aftermath of Hurricane Katrina. The award had not been awarded since 2004.

Dr. Holmgren is available for the evaluation and treatment of adults in the office setting.


Holmgren A, Wise MG, Boukoms AJ: Pain Management. Textbook of Consultation Liaison Psychiatry (Second Edition) Edited by Wise, MG, Randell JR, American Psychiatric Press, Washington, DC p. 989-1013, 2002.

Jill Slavin Mashaal, PhD

 Dr. Jill Slavin Mashaal is a New York state licensed psychologist who specializes in the cognitive-behavioral treatment of anxiety disorders, including obsessive-compulsive spectrum disorders, and mood disorders. Dr. Mashaal provides both individual and group treatment, and works with children, adolescents, and adults.

Dr. Mashaal obtained her M.A. and Ph.D. in clinical and school psychology from Hofstra University. Throughout her studies and during her clinical work, Dr. Mashaal has been involved in research in many areas: autism, obsessive-compulsive disorder (OCD), hoarding, public speaking anxiety, social skills training, cognitive behavior therapy (CBT), and acceptance and commitment therapy (ACT).

Dr. Mashaal is a member of the American Psychological Association (APA), New York City CBT (NYC-CBT), the International Obsessive Compulsive Foundation (IOCDF), and the Association for Cognitive and Behavioral Therapy (ABCT), and has presented her work at many national conventions.

Recently, Dr. Mashaal appeared as a psychological consultant on season 1 of 'Hoarding: Buried Alive' (Episode 3) and season 2 of 'Confessions: Animal Hoarding' ("80 Cats and a Baby" and "Chihuahua Nightmare").

Sheryl B. Stern, MA, LCAT, LMFT

 Sheryl Stern, MA is a New York State licensed Marriage and Family Therapist and licensed Creative Arts Therapist.

Sheryl Stern obtained both master's degrees from Hofstra University in New York, where she is also an adjunct professor at the School of Health Sciences and Human Services, Department of Counseling and Mental Health Professions.

As a supervising therapist, Sheryl Stern has been involved in group programs at the Joan and Arnold Saltzman Community Service Center, located in New York.

She has served in the Department of Pediatrics, Adolescents and Psychiatry at the North Shore-Long Island Jewish Health System.

Treating individuals, couples, and families, in her private practice, Sheryl Stern specializes in conflict resolution, separation, divorce, infidelity, infertility, parenting, depression and anxiety. In addition, she works with families facing caregiving issues related to Alzheimer's Disease and Dementia.

Her work has been published in journal articles, national magazines, and entries in various New York University Child Study Center publications and partnering events.

Contributions as an art therapist, have appeared at the Whitney Museum in New York City, The Museum of the City of New York, and The Children's Museum on Long Island. Artwork focuses on children's psychological and developmental challenges.

Sheryl Stern is the illustrator of the children's book Jimmy Racecar, which addresses self-esteem issues associated with ADHD, and has appeared on television and featured radio broadcasts which have covered topics from childhood anxiety, to couples and families facing infertility.

80 Glen Head Road, Suite 1
Glen Head NY 11545
516.626-2182   Fax: 516.626.9367
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