Gastroenterology & GI Surgery

Digestive Diseases Team

Department leadership

At NewYork-Presbyterian, our leadership team of dedicated gastroenterology experts stands at the forefront of cutting-edge heart care, embodying a commitment to excellence in every aspect of patient treatment. Our gastroenterology team consists of a diverse group of highly skilled professionals. They bring together a wealth of experience and expertise to provide personalized, compassionate care to each individual.

Gastroenterology

Robert Stephen Brown, MD, MPH
Robert Stephen Brown, MD, MPH

Chief of Division, Gastroenterology and Hepatology

646-962-5483
Timothy C. Wang, MD
Timothy C. Wang, MD

Chief, Division of Digestive & Liver Diseases, NewYork-Presbyterian/Columbia University Irving Medical Center

212-305-1909

Colorectal Surgery

Pokala Ravi Kiran, MD, FACS, FASCRS
Pokala Ravi Kiran, MD, FACS, FASCRS

Chief and Program Director, Division of Colorectal Surgery, NewYork-Presbyterian/Columbia University Irving Medical Center

Director, Center for Innovation and Outcomes Research, Columbia University Vagelos College of Physicians & Surgeons

212-342-1155

Bariatric Surgery

Abraham Krikhely, MD
Abraham Krikhely, MD

Chief, Division of Minimal Access/Bariatric Surgery

212-305-9506
Gregory Dakin MD, FACS
Gregory Dakin MD, FACS

Chief, Division of GI, Metabolic & Bariatric Surgery, NewYork-Presbyterian/Weill Cornell Medical Center

833-543-7642

Hepatobiliary & Pancreas Surgery

John A Chabot, MD
John A Chabot, MD

Vice President, ColumbiaDoctors 

Chief, Division of GI/Endocrine Surgery & Executive Director, Pancreas Center

212-305-9468
Benjamin Samstein, MD
Benjamin Samstein, MD

Chief of Liver Transplantation and Hepatobiliary Surgery at NewYork-Presbyterian/Weill Cornell Medicine

Surgical Director of the Living Donor Liver Transplant Program

212-746-2127

Get Care From Our Expert Digestive Disease Specialists