Yan, Li M.D.Attending and Clinical Assistant ProfessorCardiology Internal Medicine Education: Tufts University School Of MedicineMain Office:914-269-1990 Northwell Health 11 Ashford Ave Floor 2 Dobbs Ferry, NY 10522 Hospital Affiliations: Lenox Hill Hospital Phelps Memorial Hospital Center Katz Institute for Women's Health Additional Office: 465 North State Road Briarcliff Manor, NY 10510 (914) 762-5810