Specialties
Elizabeth Blaney, MD
Professor of Medicine
Director, Womens' GI Committee
- Phone: 314-747-2066, Press option 1
- Fax: 314-747-5871
Sarah Borgsmiller, PA-C
Physician Assistant
- Phone: For new patients, please call: 314-747-2066, option 1 For established patients, please call: 314-362-3903
- Fax: 314-747-5871
Rebecca Carpenter, MSN, BSN, RN, ANP-BC
Adult Nurse Practitioner
- Phone: 314-747-2066
- Fax: 314-747-1277
Chien-Huan Chen, MD, PhD
Professor of Medicine
Associate Director of Clinical Affairs
Director, General GI
Director, Patient Safety and Quality
Director, Small Bowel Endoscopy Program
- Phone: 314-747-2066
- Fax: 314-747-5871
Matthew Ciorba, MD
William B. Kountz Professor of Medicine
Director, Inflammatory Bowel Diseases Center
Director, IBD Research
Director, DDRCC Organoid and Genome Editing Core
Program Director, T32 Training in Academic Gastroenterology
- Phone: 314-747-2066
- Fax: 314-747-5871




