Patients gave him an average rating of 5.0 stars out of 5. He is an in-network provider for Amerigroup, Blue Cross/Blue Shield, and Empire BlueCross BlueShield, in addition to other insurance carriers. Dr. Ong attended medical school at the University of California, San Francisco (UCSF), School of Medicine. He speaks Chinese. He is affiliated with North Shore University Hospital (NSUH), Huntington Hospital, and Long Island Jewish Medical Center (LIJMC).