Medical Group Westchester NewYork-Presbyterian Medical Group Westchester 140 Lockwood Avenue Call for an Appointment Find a Doctor Opens in Google Maps 140 Lockwood Avenue Suite 216 New Rochelle, NY 10801 Opens in Google Maps Directions Request an appointment Contact 914-235-6900 Main For department phone numbers please see Contact Us. SpecialtiesPrimary Care Our Doctors Primary Care Marcia Lyn-Roberts, NPShyam Shivdasani, MD Contact Us Medical Group Westchester 140 Lockwood Avenue Suite 216, New Rochelle, NY 10801 Opens in Google Maps 914-235-6900 Main