Dr. Poneros is a Professor at Columbia University’s College of Physicians and Surgeons and the Program Director of the Advanced Endoscopy Fellowship. He also serves as the Associate Director of the Endoscopy Unit and is a Fellow of the American Society of Gastrointestinal Endoscopy and the New York Society for Gastrointestinal Endoscopy. Dr. Poneros graduated from Columbia University’s College of Physicians and Surgeons and completed his fellowship training at Massachusetts General Hospital. After serving on the faculty at Harvard Medical School, Dr. Poneros returned to New York-Presbyterian Hospital in 2008. He has published widely on pancreaticobiliary diseases and the treatment and evaluation of Barrett’s esophagus. Dr. Poneros maintains a busy clinical practice and has been named a New York Magazine Castle Connolly Top Doctor.
Primary Specialty
Gastroenterologist
PracticeCUIMC/Herbert Irving Pavilion
GenderMale
Accepting New Patients
Insurances AcceptedMedicare, Emblem/Hip, UnitedHealthcare, Multiplan, MVP Health Care, WellCare, Affinity Health Plan, Empire Blue Cross Blue Shield Healthplus, Local 1199, Healthfirst, Fidelis Care, Magnacare (National), Amerigroup of New Jersey, CIGNA, Emblem/GHI, World Trade Center Health Plan, RiverSpring, Empire Blue Cross/Blue Shield, VNSNY CHOICE, AETNA
ServicesJohn Poneros provides gastroenterology services in New York, NY. A Gastroenterologist is a physician of internal medicine who specializes in diagnosing, treating, and preventing diseases of the digestive system. A gastroenterologist is concerned with the normal function of the digestive system; making sure that it is working properly to dispose of bodily waste.
Please call CUIMC/Herbert Irving Pavilion at (212) 342-1636 to schedule an appointment in New York, NY or to get more information.Additional ServicesSurgeon, Doctor