Dr. Loy is a licensed Internal Medicine in NY. Medical degree obtained from Weill Cornell Medicine. Completed residency training at NewYork-Presbyterian. Currently practices at NewYork-Presbyterian-Weill Cornell (NewYork-Presbyterian-Weill Cornell), located at 436 East 69th St, New York, NY 10065. Dr. Loy specializes in internal medicine, primary care.. In addition to English, Dr. Loy speaks Mandarin.