He completed a residency at Staten Island University Hospital. Dr. Ferzli also specializes in Bariatric Medicine (Obesity Medicine). He currently practices at George S Ferzli MD and is affiliated with Richmond University Medical Center, Staten Island University Hospital North Northwell Health and Staten Island University Hospital South Northwell Health. Dr. Ferzli accepts multiple insurance plans including Aetna, MVP Health Plan and Medicare. Dr. Ferzli also practices at Seaview Medical Anesthesia Group PC in Staten Island, NY. In addition to English, Dr. Ferzli's practice supports these languages: French and Spanish.