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
Kevin Korenblat, MD
Professor of Medicine
Medical Director, Liver Transplantation
- Phone: 314-747-2066
- Fax: 314-454-5108
Vladimir Kushnir, MD
Professor of Medicine
Director, Endoscopic Research
Director, Bariatric Endoscopy
Director, Interventional Endoscopy
Director, Advanced Interventional Fellowship Program
- Phone: 314-362-5038
- Fax: 314-747-1277
Rodney D. Newberry, MD
Dr. Nicholas V. Costrini Professor of Gastroenterology and Inflammatory Bowel Disease
- Phone: 314-747-4161
- Fax: 314-747-1277
Charlene M Prather, MD, MPH
Professor of Medicine
- Phone: For new patients, please call: 314-747-2066, option 1 For established patients, please call: 314-362-3903
- Fax: 314-747-5871
Kathleen Pyatek, PA-C
Physician Assistant
- Phone: 314-362-3903
- Fax: 314-747-5871
Established Patients: 314-362-3903
Richard P Rood, MD, FACP, FACG, AGAF, FASGE
Professor of Medicine
Director, Ostomy Clinic
- Phone: 314-273-0302
- Fax: 314-747-5871
Deborah C. Rubin, MD, AGAF
Emeritus Professor of Medicine
Professor of Developmental Biology
Associate Director for Faculty Affairs
Director, Womens’ GI Committee
- Phone: 314-454-8243
- Fax: 314-362-8959
Gregory S. Sayuk, MD, MPH
Professor of Medicine and Psychiatry
Associate Director, Fellowship Training Program
- Phone: 314-289-6434
- Fax: 314-362-8959
William F Stenson, MD
Emeritus Dr. Nicholas V. Costrini Professor of Gastroenterology and Inflammatory Bowel Disease
- Phone: 314-747-2912
- Fax: 314-362-8959
Jean S. Wang, MD, PhD
Professor of Medicine and Professor of Surgery (General Surgery)
- Phone: 314-747-2066, Press option 1
- Fax: 314-747-1277


















