There are two One Care plans, Commonwealth Care Alliance and Tufts Health Unify. Click on the individual plan links to learn more about each one.
Commonwealth Care Alliance
One Care Member Materials I Find a Provider
Customer Service: 7 days a week, from 8 a.m. to 8 p.m.
Phone: 1-866-610-2273
MassRelay (TRS): 711 (for people who are deaf, hard of hearing, or speech disabled)
Available in the following counties: Bristol, Essex, Franklin, Hampden, Hampshire, Middlesex, Norfolk, Plymouth*, Suffolk, and Worcester.
*Commonwealth Care Alliance’s service area includes all of Plymouth County except for the towns of Lakeville, Marion, Mattapoisett, and Wareham.
Tufts Health Unify
One Care Member Materials I Find a Provider
Customer Service: 7 days a week, from 8 a.m. to 8 p.m.
Phone: 1-855-393-3154
TTY: 1-888-391-5535 (for people who are deaf, hard of hearing, or speech disabled)
Available in the following counties: Middlesex*, Suffolk and Worcester.
*Tufts Health Plan’s service area includes the following towns in Middlesex County: Billerica, Chelmsford, Dracut, Lowell, North Billerica, North Chelmsford, Tewksbury, Tyngsborough, and Westford.