Patty Tsz-Yan, Ng M.D.Attending PhysicianObstetrics Gynecology Education: SUNY Downstate College of MedicineMain Office:212-452-1370, Northwell Health, 1060 Fifth Ave, New York, NY 10128 Certification: Board Certified in Obstetrics Gynecology Hospital Affiliations: Lenox Hill Hospital North Shore University Hospital