Dr. Elmer Y Chang is a California state licensed medical doctor, specializing in Gastroenterology. Graduated Magna Cum Laude from Northwestern University School of Medicine, completed residency training in Baylor College of Medicine, and completed the Gastroenterology specialist training at UCLA Health. Dr. Chang's clinical interests include evaluation and management of disorders of the gastrointestinal tract, pancreas, bile duct, and liver. Dr. Chang currently is working at Mission Heritage Mission Viejo, located in 27871 Medical Center Rd #200 Mission Viejo CA 92691 Dr. Chang's clinic interests include evaluation and management of disorders of the gastrointestinal tract, pancreas, bile duct, and liver. Please call +1-949-364-5090 to contact. Access cdoc101.com on a desktop computer to view more details. | |||