Physician’s Profile
Profile image of John M. Poneros, MD

John M. Poneros, MD

Biliary Tract Disease
Cancer Care
Endoscopic Ultrasound
Gastrointestinal Cancer
Hereditary Hemorrhagic Telangiectasia (HHT)
Interventional Endoscopy
Pancreatic Cancer
Pancreatic Disease

Dr. Poneros is an Associate 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.

Dr. Poneros' research focuses on Barrett's esophagus and pancreaticobiliary diseases.

Cui Y, Khanna LG, Saqi A, Crapanzano JP, Mitchell JM, Sethi A, Gonda TA, Kluger MD, Schrope BA, Allendorf J, Chabot JA, Poneros JM. The Role of Endoscopic UltrasoundGuided Ki67 in The Management of Non-Functioning Pancreatic Neuroendocrine Tumors. Clin Endosc. 2019 Jul 15. doi: 10.5946/ce.2019.068. PMID: 31302988

Guo A, Poneros JM. The role of endotherapy in recurrent acute pancreatitis. Gastrointest Endosc Clin N Am. 2018; 28(4):455-476. PMID: 30241638

Poneros JM, Faye AS, Barr Fritcher EG, Sen A, Anandasabapathy S, Bresalier RS, Marcon N, Turgeon DK, Appelman H, Normolle D, Morrison LE, Brenner DE, Halling KC. Dig Dis Sci. 2017; 62(5):1216-1222. PMID: 28265829

Poneros JM, Brand S, Bouma BE, Tearney GJ, Compton CC, Nishioka NS (2001) Diagnosis of Specialized Intestinal Metaplasia by Optical Coherence Tomography. Gastroenterology 120:7-12

Poneros JM, Tearney GJ, Shishkov M, Kelsey PB, Lauwers GY, Nishioka NS, Bouma BE (2002) Optical Coherence Tomography of the Biliary Tree during ERCP Gastrointestinal Endoscopy 55:84-88

Wang V, Hornick J, Sepulveda J, Maurer R, Poneros JM (2009) Low Prevalence of Invasive Adenocarcinoma at Esophagectomy: A 20 year experience Gastrointestinal Endoscopy 69:777-83