Dr. Marissa Fox is a pediatrician in Valley Stream, New York and is affiliated with multiple hospitals in the area, including Cohen Children's Medical Center and Long Island Jewish Medical Center at Northwell Health. She received her medical degree from State University of New York Downstate Medical Center College of Medicine and has been in practice between 11-20 years. Dr. Marissa Fox accepts Aetna, Cigna, Blue Cross, United Healthcare - see other insurance plans accepted.