There are three One Care plans, Commonwealth Care Alliance, Tufts Health Unify, and UnitedHealthcare Connected. Click on the individual plan links to learn more about each one.
Commonwealth Care Alliance
Customer Service (April 1 – September 30): M-F, from 8:00am to 8:00pm and Sat. and Sun., from 8:00am to 6:00pm
Customer Service (October 1 – March 31): 7 days a week, from 8:00am to 8:00pm
MassRelay (TRS): 711 (for people who are deaf, hard of hearing, or speech disabled)
Commonwealth Care Alliance Available in the following counties: Barnstable, Berkshire, Bristol, Essex, Franklin, Hampden, Hampshire, Middlesex, Norfolk, Plymouth, Suffolk and Worcester.