She received a B.A. in History from The College of the Holy Cross and her medical degree from the University of Connecticut School of Medicine. She completed her residency in Family Medicine in St. Paul, Minnesota and spent several years in the Twin Cities working in public health clinics with Southeast Asian, African and Central American immigrants. In 1999 Dr. Mascolo returned to Connecticut to work in private practice in Bristol and Windsor before opening her own practice of Family Medicine. She is a Catholic doctor who is committed to practicing medicine in accordance with all the teachings of the Catholic Church.