Adult Gastroenterology of Stillwater is a single specialty gastroenterology and hepatology (liver disease) practice that comprises eleven physicians with multiple locations servicing much of Northeastern Oklahoma. For 30 years, our Board Certified, fellowship trained physicians have been the experts in all aspects of their specialties, including colon cancer screening procedures, treatment of GERD, inflammatory bowel disease, irritable bowel syndrome and treatment of diseases of the liver and pancreas.