Dyan HesNamed a 2013 Top Doctor by New York Magazine, Dr. Dyan Hes is Medical Director of Gramercy Pediatrics in New York City and a Director of the American Board of Obesity Medicine. She is Board Certified in both pediatrics and obesity medicine, and practices both in her New York office. In addition, she serves as Clinical Assistant Professor of Pediatrics at the Weill Medical College of Cornell University.

Dr. Hes completed her residency in Social Pediatrics at New York’s Albert Einstein School of Medicine, Montefiore Medical Center. Prior to founding Gramercy Pediatrics, she maintained a large primary care practice within Park Slope Pediatrics in Brooklyn, New York. In addition, she developed and served as Director of the Pediatric Weight Management Program at New York Methodist Hospital. In conjunction with the Park Slope YMCA, Dr. Hes created the Be Fit program for overweight children. Since its inception, the program has served as a successful model for collaboration between hospitals and community centers nationwide.

An active advocate for pediatric and adolescent nutrition and weight management, Dr. Hes was honored by Brooklyn Borough President Marty Markowitz for her efforts to combat obesity among Brooklyn youth. In 2006, she served as an Expert Witness at the New York City Department of Health Hearing to Ban Trans Fat in Restaurant Food.

Dr. Hes has served as a medical expert on CBS This Morning, WPIX News, the Dr. Steve Show, NY1 and FOX News. She has contributed to numerous articles on pediatrics in newspapers, periodicals and internet sites including the Wall Street Journal, TIME Magazine, MSN Health, and In addition to being included in New York Magazine’s 2013 Top Doctors, she was named one of New York’s Top Doctors by Castle and Connolly in 2011, 2012 and 2013.

Dr. Hes resides in New York City with her husband, her seven-year old daughter and her ten-year old son. Her hobbies include movies, pilates, sunbathing (with sunscreen!) and power-walking with her dog Dice. She and her husband work five blocks from each other and can often be seen running errands with their kids in the Union Square neighborhood. She is truly a community doctor.




Our 67 Irving Place location will be closing on March 30th and all patients can be seen at the Chelsea location 420 W 23rd St, New York, NY 10011


Due to the Coronavirus pandemic, we are converting the majority of our visits to telehealth. Please dowload and read the Healow Quick Start Guide for instructions on how to use our service.

This will enable us to provide our families with care, while limiting visits to the office and following social distancing guidelines.


In order to vaccinate our patients on schedule during the COVID-19 pandemic, we have two options, in person visits or NEW home vaccine visits… Learn More