Dr. Nicholas Mongillo is a pediatrician in Shelton, Connecticut and is affiliated with multiple hospitals in the area, including Bridgeport Hospital and St. Vincent's Medical Center. He received his medical degree from St. George's University School of Medicine and has been in practice for more than 20 years. Dr. Nicholas Mongillo accepts Aetna, Blue Cross, United Healthcare - see other insurance plans accepted. Dr. Nicholas Mongillo is highly recommended by patients.