Marc Abbate, M.D. is a dermatology provider at Schweiger Dermatology Group - Riverdale, NJ. Dr. Abbate is one of the distinguished dermatologists in New Jersey. He specializes in medical and cosmetic dermatology. He graduated cum laude from the University of Delaware and earned his medical degree from the Robert Wood Johnson Medical School in New Jersey. He completed his internship in internal medicine at the Robert Wood Johnson Hospital, then his dermatology residency at the State University of New York at Buffalo.Dr.