Dr. Richard Chang specializes in pediatric medicine in Orange area. Dr. Richard Chang, MD has a medical practice at 455 South Main Street, Orange CA, and has over 16 years of experience in the field of medicine. He graduated from University Of Iowa College Of Medicine with his medical degree in 2001. Dr. Chang is accepting new patients at his medical office and practice location in Orange, California. He is available for appointments, preventative care, medical care as well as ongoing patient care.