M B Sarlin Md 55 E 87th St # 1j New York, NY 10128 Phone : (212) 369-4848 Business Category Physicians & Surgeons-M.D. Mark C Singer Md 55 E 87th St # 1j New York, NY 10128 Phone : (212) 369-4848 Business Category Physicians & Surgeons-M.D.