Anne Arundel Gastroenterology Associates, PA At Anne Arundel Gastroenterology Associates, P.A. in Annapolis, Stevensville, Odenton, Bowie, Greenbelt, and Pasadena, Maryland, patients can expect high-quality gastroenterology care from experts in the field. One of the top surgical centers in the country and No. 2 in Maryland, the gastroenterology practice is known for providing efficient, patient-focused care in a private and comfortable setting. The highly trained team thoroughly investigates patients’ symptoms, like abdominal pain, diarrhea, and difficulty in swallowing, using advanced tools and technology and offers practical solutions to improve digestive health.