Family Health Center of Harlem. 1824 Madison Avenue New York, NY 10035 (212) 423-4500 For Appointments Only: (844) 434-2778 Fax: (646) 770-8405 Dental care: (212) 423-4400 Center for Counseling: (212) 423-4200, Fax: (845) 633-5975 Directions.