Medical Group Brooklyn NewYork-Presbyterian Medical Group Brooklyn 340 4th Avenue Call for an appointment Find a doctor Opens in Google Maps 340 4th Avenue Brooklyn, NY 11215 Opens in Google Maps Directions Request an appointment Contact 718-643-0483 Main For department phone numbers please see Contact Us. SpecialtiesBariatric SurgeryInternal Medicine/Primary CareOBGYN Our Doctors Bariatric Surgery Rabih Nemr, MD Internal Medicine/Primary Care Anna Kazlovskaya, MDMargarita Khotsyna, MD OBGYN Michael L. Lewis, MD Our Facility Use the left and right arrow keys to navigate the gallery 1 OF 7 Contact Us Medical Group Brooklyn 340 4th Avenue, Brooklyn, NY 11215 Opens in Google Maps 718-643-0483 Main