Dr. Chang is a licensed Gastroenterology in OR. Graduated in 1996. Medical degree obtained from Baylor College of Medicine. Completed residency training at UCI Medical Center, Orange, CA and fellowship training at Mt. Sinai Hospital(NY). Currently practices at The Oregon Clinic (The Oregon Clinic), located at 1508 Division St, Oregon City, OR 97045. Dr. Chang specializes in Barrett's Ablation, Small Bowel Diseases, Colon Health, Gastroenterology, Hepatology.. In addition to English, Dr. Chang speaks Mandarin and Hokkien and accepts new patients.