Gastroenterology & Hepatology

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Division of Gastroenterology and Hepatology

Our division is proud to be associated with The Nebraska Medical Center, who recently ranked as a Best Hospital by U.S. News and World Report.
Physicians at the medical center specialize in preventing, diagnosing and treating diseases of the digestive tract including the esophagus, gallbladder, stomach, pancreas, small intestine and colon as well as liver disease.
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The Division of Gastroenterology (GI) and Hepatology is focused on the diagnosis and treatment of gastrointestinal and liver diseases.

Areas of special expertise include hepatitis, cirrhosis, inflammatory bowel disease, pancreatic disease, cancer of the upper and lower GI tract and motility disorders.

The division has active clinical and basic research programs at UNMC and at the Department of Veteran's Affairs Nebraska and Western Iowa Health Care System.

Our Division supports a world renowned liver and small bowel transplant program.

Division Administration
Mark Mailliard, M.D.
Division Chief

Alex Hewlett, D.O.
Gastroenterology Fellowship Program Director

Tim McCashland, M.D.
Transplant Hepatology Fellowship Program Director  

Marco Olivera, M.D.
Hepatology Fellowship Program
Transplant Hepatology Fellowship Associate Program Director

Leslie Noecker, MPA


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About Us
We offer greater Omaha and the surrounding four state region a wide array of clinical care for patients with digestive and hepato-pancreato-biliary diseases. Our physicians provide comprehensive, advanced care through collaborative teams of surgeons, pathologists and radiologists. As an academic institution we are constantly investigating and teaching new treatment options. In addition, our faculty participate in a variety of extramurally funded and industry sponsored research.

We are located at 4400 Emile Street, Durham Outpatient Care Center, Omaha Nebraska.

982000 NMC
Omaha Nebraska 68198-2000

Phone 402-559-6209
Fax 402-559-9004

Durham Research Centers