Dr Johnson received a BS in Biology from St Lawrence University, his DMD from Tufts University, his certificate in Pediatric Dentistry and MS in Oral Biology from the University of Missouri. He retired as a Lieutenant Colonel from the Army in 1994. He is a member of the American & Massachusetts Academies of Pediatric Dentistry , the  American Dental Association and the Massachusetts & Cape Cod Dental Societies. Dr Johnson has completed advanced training in Growth & Development and Orthodontics at the Rickett’s School of the Southeast - Gnathos.  He and his entire staff are being trained and coached by Jay Geier's Scheduling Institute in Atlanta to build the practice with excellence in customer service.