Dr. Mary L. Guan is a New York state licensed medical doctor, specializing in Internal Medicine. Graduated Magna Cum Laude from University of Michigan School of Medicine , completed residency training in NYU Langone Hospitals, Dr. Guan currently is working at NYU Medical Center, located in 550 1st Ave New York NY 10016 Please call +1-212-731-6465 to contact. Access cdoc101.com on a desktop computer to view more details. | |||