Dr. Alan W Chang is a Pennsylvania state licensed medical doctor, specializing in Gastroenterology. Graduated Magna Cum Laude from University of Pennsylvania School of Medicine, completed residency training in Temple University, and completed the Gastroenterology specialist training at Temple University. Dr. Chang's clinical interests include Gastroenterology, Gastrointestinal Surgery . Dr. Chang currently is working at Doylestown Hospital, located in 599 W. State St #200 Doylestown PA 18901 Dr. Chang's clinic interests include Gastroenterology, Gastrointestinal Surgery . Please call +1-215.345.6050 to contact. Access cdoc101.com on a desktop computer to view more details. | |||