Dr. D'Addio is a lifelong area resident. After completing his undergraduate studies in Vermont, he attended Tufts Dental School. He eagerly returned home to join Dr. Robert J. Dunning, Dr. Ted Marciniszyn and Dr. Charles Archinal to practice dentistry at RJ Dunning DDS PC in Amsterdam. In 2014 he became the sole proprietor and renamed the practice Dunning Family Dental. Dr. D'Addio has been providing superior quality dental services in the area for over 20 years and looks forward to many more years of service.