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:
- Gastrointestinal cancer
- General gastroenterology
- Inflammatory bowel disease (IBD)
- Interventional endoscopy
- Liver disease (hepatology)
- Neurogastroenterology
Dayna S. Early, MD
Gastroenterology
Interventional Endoscopy
Nonsurgical Weight Loss
Weight Loss
Locations:
Barnes-Jewish West County Hospital – Medical Office Building 4
Barnes-Jewish Hospital
Barnes-Jewish West County Hospital
Jaquelyn Fleckenstein, MD
Gastroenterology
Liver Health (Hepatology)
Locations:
Center for Advanced Medicine Gastrointestinal Center
Barnes-Jewish Hospital
Center for Advanced Medicine – South County
Cassandra Fritz, MD, MPHS
Gastroenterology
Locations:
Center for Advanced Medicine Gastrointestinal Center
Barnes-Jewish West County Hospital
Maté Gergely, MD
Gastroenterology
Inflammatory Bowel Disease
Locations:
Barnes-Jewish West County Hospital – Medical Office Building 4
Center for Advanced Medicine – South County
Angela Gieseler, PA-C, MMS
Gastroenterology
Internal Medicine
Locations:
Center for Advanced Medicine
Barnes-Jewish West County Hospital – Medical Office Building 1
Center for Advanced Medicine – South County
Barnes-Jewish West County Hospital – Medical Office Building 4
Martin H Gregory, MD, MSCI
Gastroenterology
Inflammatory Bowel Disease
Locations:
Center for Advanced Medicine Gastrointestinal Center
Barnes-Jewish West County Hospital – Medical Office Building 4
Anas Gremida, MD
Gastroenterology
Inflammatory Bowel Disease
Locations:
Center for Advanced Medicine Gastrointestinal Center
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