David A Straker Do 622 W 168th St # 427 New York, NY 10032 Phone : (212) 860-2666 Business Category Physicians & Surgeons-M.D. Silvia Hafliger Md 622 W 168th St # 427 New York, NY 10032 Phone : (212) 860-2666 Business Category Physicians & Surgeons-M.D. Ralph N Wharton Md 1070 Park Ave New York, NY 10128 Phone : (212) 860-2666 Ralph N Wharton Md Business Category Physicians & Surgeons-M.D.