Dr. John U. Napoli is a psychiatrist in Buffalo, New York. He received his medical degree from Sapienza University of Rome and has been in practice for more than 20 years. Dr. John U. Napoli has expertise in treating bipolar disorder, depression, anxiety disorders, among other conditions - see all areas of expertise. Dr. John U. Napoli accepts Medicare, Aetna, Blue Cross - see other insurance plans accepted. Dr. John U. Napoli is highly recommended by patients.