Dr. Yau is a licensed Internal Medicine in NY. Medical degree obtained from Ross University School of Medicine. Completed residency training at John T Mather Memorial Hospital and fellowship training at Geisinger Medical Center . Currently practices at Jennifer Xiao Jun Yau MD (Jennifer Xiao Jun Yau MD), located at 301 East Main St, Bay Shore, NY 11706. Dr. Yau specializes in internal medicine and primary care.. In addition to English, Dr. Yau speaks Mandarin.