Hong Jin Md 401 N 17th St # 309 Allentown, PA 18104 Phone : (610) 437-6687 Business Category Physicians & Surgeons-M.D. Childrens Heart Center 401 N 17th St # 309 Allentown, PA 18104 Phone : (610) 437-6687 Business Category Physicians & Surgeons-M.D. Physicians & Surgeons-Pediatrics