About UsGastroenterology Associates of Fredericksburg in Fredericksburg and Stafford, Virginia, is the largest gastroenterology practice in the area. With a team of fellowship-trained, board-certified physicians and advanced practice providers, Gastroenterology Associates of Fredericksburg provides friendly, cutting-edge care for all types of gastrointestinal disorders.With centrally located offices, the team at Gastroenterology Associates of Fredericksburg specializes in diagnosing and treating a wide range of conditions such as Crohn's disease, gastroesophageal reflux disease (GERD), irritable bowel syndrome (IBS), and small intestinal bacterial overgrowth (SIBO).