Gastroenterology Specialties, P.C. is one of the Midwest's largest, unaffiliated, private gastroenterology practices. Gastroenterologists are physicians who specialize in the diagnosis and treatment of disorders of the esophagus, stomach, intestines, gall bladder liver and pancreas including colon cancer, irritable bowel syndrome, acid reflux, liver disease, Crohns disease and other ...Patient Forms‧Providers‧Pay Your Bill‧Schedule an Appointment‧Contact Us‧Clinic Information.