Tong, Shen M.D.Attending PhysicianGastroenterology Internal Medicine Education: The University of Western AustraliaMain Office:503-963-2707 The Oregon Clinic 300 SE 91st Ave Happy Valley, OR 97086 Clinic Intersts:colon cancer screening & prevention, inflammatory bowel disease, viral hepatitis, esophageal manometry, colonoscopy. Certification: Board Certified in Gastroenterology, Internal Medicine Additional Office: 1111 NE 99th Ave Suite 301 Portland, OR 97220 Phone: 503-963-2707