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Dyan Hes, MD FAAP

Consistently named one of New York’s Top Doctors by Castle Connolly since 2010, Dr. Dyan Hes is founder and medical director of Gramercy Pediatrics in New York City. She is Board Certified in Pediatrics and Obesity Medicine and served as Director of the American Board of Obesity Medicine for 8 years. Currently she serves as Clinical Assistant Professor of Pediatrics at the Weill Medical College of Cornell University and at NYU Grossman School of Medicine. 

Dr. Hes has two downtown locations for Gramercy Pediatrics, one in Gramercy and the other in the Chelsea neighborhood.  She is an active advocate for pediatric and adolescent nutrition and weight management.  Over the years, she has developed many programs to combat obesity among children.  In 2006, she served as an Expert Witness at the New York City Department of Health Hearing to Ban Trans Fat in Restaurant Food. ...more


Daniel Wolloch, MD FAAP

Daniel Wolloch earned his medical degree from Albert Einstein College of Medicine and then he completed his residency at NYU Bellevue in 1991. He then took time off to spend several years working tirelessly with his autistic son Zachary. After getting Zachary to a point where he was was able to finally attend school, Dr. Wolloch then resumed his medical career, for the Montefiore Medical Group and then at Pedimedica in Teaneck, New Jersey. He was voted one of “NJ’s
Favorite docs” in NJ Family Magazine in 2013, and has written several articles for Holy
Name Hospital and 201 Family magazines.
“Dr. Dan” has a special interest in Developmental Pediatrics and asthma and is very experienced in managing medically complex patients. Creating an atmosphere in which fun is combined with excellent care is a cornerstone of his approach to patient care. He enjoys skiing, Pilates, the theater, and walking with his wife, Valerie.


Junko Nishita, MD, PhD

Dr. Nishita is a board-certified pediatrician in the United States and Japan, with an extensive career history in both countries as a physician as well as a researcher. Her professional background includes general pediatrics, pediatric cardiology, molecular biology, neuroscience, and related fields. After completing her pediatric residency in Brooklyn, she joins Gramercy Pediatrics to continue her clinical career. She speaks English and Japanese.  


Stephenie Shapoff, CPNP

Stephenie Shapoff graduated with her M.S.N. as a pediatric nurse practitioner from Seton Hall University in 2013. She is board certified by the Pediatric Nursing Certification Board. Prior to this, she obtained a B.S. in nursing and a B.A. in psychology also from Seton Hall University.  Before joining Gramercy Pediatrics, she practiced at a foster care facility in Manhattan and a private office in Yonkers. She also worked as an RN in the burn intensive care unit at NYP-Weill Cornell
Medical Center.  Stephenie resides in New Rochelle with her husband and two children. She enjoys skiing, cooking, working out and spending time with her family.


Karen Jill Browner-Elhanan, MD FAAP

Dr. KJ Browner-Elhanan is a board-certified pediatrician, with board certification in the subspecialty of Adolescent Medicine. She also completed a fellowship in Community Pediatrics. Dr. KJBE has recently returned to her hometown of New York City from Savannah, Georgia where she was a forerunner of innovative educational programs at Memorial Health University Medical Center and received funding from the March of Dimes for the establishment of the “Teen-Tot Clinic “at Memorial Health University Medical Center.

Dr. KJBE completed a residency in pediatrics, while serving as a pediatric casualty emergency room physician at a large, rural hospital in Israel. During this time Dr. KJBE became acutely aware of disparities in injury rates amongst different socio-economic groups. She began to research injury prevention and was invited to be a research and clinical fellow to the NY Health Fund Project, part of the division of Community Pediatrics at the Children’s Hospital at Montefiore/Albert Einstein College of Medicine. During the year-long fellowship, Dr. KJBE’s interested focused further on adolescent injuries and sexual abuse examinations, which lead to a three year fellowship in adolescent medicine at the same institution. Her clinical research interests since then have been in adolescent medicine and risk-taking prevention, with special emphasis on student and resident education for this population. She is an avid educator, researcher, presenter, and publisher in her field. Dr KJBE has a wealth of experience in clinical practice, including development and establishment of community pediatric practices. Gramercy Pediatrics is excited to welcome her as she has been a mentor and colleague to Dr. Dyan Hes for over twenty years.

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