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:

C. Prakash Gyawali, MD, MRCP

Gastroenterology

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

Samantha Halpern, MSN, APRN, FNP-C

Gastroenterology
Liver Health (Hepatology)

Locations:
Center for Advanced Medicine
Center for Advanced Medicine

Sarah Henkel, MD

Liver Health (Hepatology)
Pediatric Gastroenterology

Locations:
St. Louis Children’s Hospital
St. Louis Children’s Specialty Care Center – West County

Deborah Jensen, NP

Deborah K. Hiatt-Jensen, FNP

Gastroenterology
Inflammatory Bowel Disease

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

Christina Ahn Hickey

Christina Ahn Hickey, MD, MA

Gastroenterology

Locations:
St. Louis Children’s Hospital

Lori R. Holtz

Lori R. Holtz, MD, MSPH

Gastroenterology
Pediatric Gastroenterology

Locations:
St. Louis Children’s Hospital

Laurie Hopper, DNP

Gastroenterology
Interventional Endoscopy

Locations:
Barnes-Jewish West County Hospital – Medical Office Building 4

Elizabeth Huebner

Elizabeth Huebner, MD

Gastroenterology

Locations:
Barnes-Jewish West County Hospital – Medical Office Building 1

Kayci Renee Huff, MD, PhD

Gastroenterology
Inflammatory Bowel Disease

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

Mohammad Kashif Ismail, MD

Gastroenterology
Interventional Endoscopy

Locations:
Barnes-Jewish West County Hospital – Medical Office Building 4
Barnes-Jewish Hospital
Barnes-Jewish West County Hospital
Missouri Baptist Medical Center – Building D