Gastroenterology Program Faculty
Fellowship Program Director
Erin Jenkins, MD - Assistant Professor and Associate Director of Inflammatory Bowel Disease Center
Associate Program Director
Rajani Rangray, MD – Assistant Professor and Director of M2 Gastroenterology Course
Division Chief
Sandeep Mukherjee, MD – Division Chief, Professor and Elective Director M4 Gastroenterology Course
Emeritus Faculty
Stephen Lanspa, MD – Professor Emeritus

Ahmed Al-Chalabi, MD, MSc, MPH
- Assistant Professor
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Haitam Buaisha, MBBCh
- Assistant Professor
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Saurabh Chandan, MD
- Assistant Professor
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Erin T. Jenkins, MD
- Program Director
- 402.717.9800
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Avanija R. Kanmanthareddy, MBBS
- Assistant Professor
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Robert T. Kizer, MD
- Assistant Professor
- 402.717.9800
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Sampath Kumar Poreddy, MBBS
- Assistant Professor
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Rajani Rangray, MBBS
- Associate Program Director, Gastroenterology Fellowship
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Ryan W. Walters, PhD
- Associate Professor
- 402.280.3335
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Stephen Lanspa, MD
Professor Emeritus
Contact Us
Emma Sheehan
Program Coordinator
402-280-4191
Creighton University Medical Center-Bergan Mercy
7710 Mercy Road, Suite 401
Omaha, NE 68124-2362