The average patient rating for Dr. Fastenberg is 5.0 stars out of 5. He is in-network for Medicare insurance. After attending New York Medical College and New York University (NYU) School of Medicine, Dr. Fastenberg completed his residency training at a hospital affiliated with Northwestern University. He has received the following distinction: New York Super Doctors. Dr. Fastenberg's professional affiliations include North Shore University Hospital (NSUH), Syosset Hospital, and Long Island Jewish Medical Center (LIJMC). His practice is open to new patients.