Dr. Maddock received his M.D. from the University of Dublin, Trinity College, School of Medicine, 1984. Dr. Maddock followed up his post-graduate training at the following facilties: Adelaide Hospital, Ireland; Federated Dublin Voluntary Hospital; Brown University/Rhode Island Hospital; and a fellowship at Tufts/St. Elizabeths in Gastroenterolgy. Dr. Maddock is Board Certified in Gastroenterology as well as Internal Medicine.
Dr. Maddock has received honors and awards as a clinician and as a publicist in medical literature. He is active at both St. Anne's Hospital and Charlton Memorial Hospital in Fall River.
In addition, Dr. Maddock is one of the original twenty-three founders of the Prima CARE Professional Corporation.