Nicholas O. Davidson, MD, DSc
John E. and Adaline Simon Professor of Medicine and Developmental Biology
Chief, Division of Gastroenterology
Director, Digestive Disease Research Core Center
- Fax: 314-362-2505
David H. Alpers, MD
Emeritus William B. Kountz Professor of Medicine
Co-Director, Center for Human Nutrition
- Phone: 314-362-8943
- Fax: 314-362-8230
Surachai Amornsawadwattana, MD
Associate Professor of Medicine
- Phone: 314-747-2066
- Fax: 888-869-4437
Michael C Bennett, MD
Associate Professor of Medicine
- Phone: 314-747-2066, press option 1
- Fax: 314-747-5871
Christopher R Berghoff, PhD
Associate Professor of Medicine
- Phone: 314-747-2066, Press Option 1
- Fax: 314-362-7642
Elizabeth Blaney, MD
Associate 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
Jeffrey S. Crippin, MD
Professor of Medicine
Marilyn E. Bornefeld Chair in Gastrointestinal Research and Treatment
Associate Chairman for Clinical Programs
- Phone: 314-747-2066
- Fax: 314-454-5108
Nicholas O. Davidson, MD, DSc
John E. and Adaline Simon Professor of Medicine and Developmental Biology
Chief, Division of Gastroenterology
Director, Digestive Disease Research Core Center
- Fax: 314-362-2505
Parakkal Deepak, MBBS, MS
Associate Professor of Medicine
Director of Clinical and Translational Research, Division of Gastroenterology
Co-Director, IBD Center
- Phone: 314-273-1947
- Fax: 314-747-5871
Brian K. Dieckgraefe, MD, PhD
Associate Professor of Medicine
Chief of Gastroenterology, St. Louis VA Medical Centers
- Phone: 314-289-6434
- Fax: 314-362-8959
Jaquelyn F. Fleckenstein, MD
Professor of Medicine
Director, Hepatology Program
Director, Advanced Hepatology Fellowship
- Phone: 314-747-2066
- Fax: 314-454-5108
Cassandra Fritz, MD, MPHS
Assistant Professor of Medicine
Director, GI Fellowship Training Program
- Phone: 314-454-8165
- Fax: 314-747-5871
Maté Gergely, MD
Assistant Professor of Medicine
Director, IBD Intestinal Ultrasound
- Phone: 314-362-1031
- Fax: 314-747-5871
Angela Gieseler, PA-C, MMS
Physician Assistant
- Phone: 314-747-2066, Press option 1
- Fax: 314-747-5871
Martin H. Gregory, MD, MSCI
Assistant Professor of Medicine
Assistant Director, Clinical Operations
- Phone: 314-747-2066
- Fax: 314-747-5871
Anas Gremida, MD
Associate Professor of Medicine
Director, Adolescent to Adult Transition Clinic
- Phone: 314-747-2066
- Fax: 314-747-5871
C. Prakash Gyawali, MD, MRCP
Professor of Medicine
Director, Neurogastroenterology and Motility Program
- Phone: 314-747-2066
- Fax: For Patient Related Faxes Please Use 314-747-1277
Patient-related faxes 314-747-1277
Deborah Hiatt-Jensen, MSN, APRN, FNP-C
Adult Nurse Practitioner
- Phone: 314-747-2066
- Fax: 888-869-4437
Kayci Huff, MD, PhD
Associate Professor of Medicine
Director, Patient Experience and Pharmaceuticals
- Phone: 314-747-2066
- Fax: 314-747-5871
