Dr. Siu Hang Ngan is a New York state licensed medical doctor, specializing in Radiation Oncology. Graduated Magna Cum Laude from New York University College of Dentistry, completed residency training in Kings County Hospital Center, Dr. Ngan currently is working at Flushing Oral and Maxillofacial Surgery, located in 131-07 40th Rd Flushing NY 11354 Please call +1-718-888-9866 to contact. | |||