To make an appointment, call 314-747-2066. 

Pediatric appointments, call 314-454-6173.

Washington University gastroenterology (GI) specialists have expertise in a comprehensive range of GI diseases of the upper tract—like the esophagus, stomach and small intestines (duodenum); the lower GI tract—like the large intestine, colon and rectum; and the hepatobiliary system—such as the liver, gall bladder, biliary tract and pancreas.

Our specialists work closely with Washington University gastrointestinal, transplant and colorectal surgeons to offer a full-range of treatment:

Osama Altayar

Osama Altayar, MD

Gastroenterology

Locations:
Center for Advanced Medicine Gastrointestinal Center
Barnes-Jewish West County Hospital – Medical Office Building 4

Surachai Amornsawadwattana

Surachai Amornsawadwattana, MD

Gastroenterology

Locations:
Center for Advanced Medicine Gastrointestinal Center

Riad Raymond Azar

Riad Raymond Azar, MD

Gastroenterology

Locations:
Center for Advanced Medicine Endoscopy Center
Barnes-Jewish West County Hospital – Medical Office Building 2

Ahmad Bazarbashi, MD

Ahmad N. Bazarbashi, MD

Gastroenterology
Interventional Endoscopy

Locations:
Center for Advanced Medicine – South County
Barnes-Jewish Hospital
Barnes-Jewish West County Hospital
Missouri Baptist Medical Center

Michael C. Bennett

Michael C. Bennett, MD

Gastroenterology
Weight Loss

Locations:
Barnes-Jewish West County Hospital – Medical Office Building 4
Center for Advanced Medicine – South County

Christopher Berghoff, PhD

Gastroenterology

Locations:
Center for Advanced Medicine
Barnes-Jewish West County Hospital
Missouri Baptist Medical Center
Center for Advanced Medicine – South County

Richa Bhardwaj, MD

Richa Bhardwaj, MD

Gastroenterology

Locations:
Center for Advanced Medicine Gastrointestinal Center

Elizabeth J. Blaney

Elizabeth J. Blaney, MD

Gastroenterology

Locations:
Center for Advanced Medicine Gastrointestinal Center
Barnes-Jewish West County Hospital – Medical Office Building 1

Jeffrey W. Brown

Jeffrey W. Brown, MD, PhD

Gastroenterology

Locations:
Barnes-Jewish Hospital
Barnes-Jewish West County Hospital

Siyan Cao, MD, PhD

Siyan Cao, MD, PhD

Gastroenterology

Locations:
Center for Advanced Medicine Endoscopy Center