He obtained his medical school training at Weill Cornell Medical College and Nova Southeastern University, College of Osteopathic Medicine and performed his residency at New York-Presbyterian Hospital and a hospital affiliated with Weill Cornell Medical College. His areas of expertise include facial problems, dental implant surgery, and chin surgery. Dr. Portnof is rated highly by his patients. Blue Cross Blue Shield EPO, Blue Cross Blue Shield Bronze, and Blue Cross Blue Shield HMO are among the insurance carriers that Dr. Portnof accepts. In addition to English, he speaks Spanish. He is affiliated with Memorial Hospital Miramar, Memorial Hospital West, and Palms West Hospital.