Siu-Sun, Yao M.D.Attending PhysicianCardiology Internal Medicine Education: Tufts University School Of MedicineMain Office:212-432-7837 Valley Medical Group 200 West 57th St #610 New York, NY 10019 Certification: Board Certified in Cardiology, Internal Medicine Hospital Affiliations: Lenox Hill Hospital The Valley Hospital Mount Sinai St. Luke¡¯s Mount Sinai Roosevelt