Dr. Robert Chang is a New York state licensed medical doctor, specializing in Periodontology. Graduated Magna Cum Laude from Columbia University College of Physicians and Surgeons, completed residency training in University of Michigan, Dr. Chang currently is working at St. Peter's Health Partners, located in 1 Broad St Plz Glens Falls NY 12205 Please call +1-518-348-0634 to contact. Access cdoc101.com on a desktop computer to view more details. | |||