Dr. John P. Franzone, MD, is a distinguished dermatologist located in Riverhead, New York, affiliated with Peconic Bay Medical Center at Northwell Health. With over 50 years of medical experience, Dr. Franzone graduated from Rutgers New Jersey Medical School and completed his residency in Dermatology at the esteemed Icahn School of Medicine at Mount Sinai. He is proficient in diagnosing and treating a wide array of skin conditions, such as acne, psoriasis, and skin cancers. Dr....