Dr. Callen is a graduate of the University of Lisboa Faculty of Medicine, Portugal. Upon graduating he followed up his post graduate training at Brown University's Memorial Hospital, Pawtucket, RI. Dr. Callen is board certified in Family Medicine. In addition, Dr. Callen serves as Medical Advisor to the Board of Health in the town of Westport, MA as well as the school physician for the Westport School Department. Dr. Callan is affiliated with Saint Anne's Hospital in Fall River.