One Care 

One Care is a healthcare insurance option for some adults with disabilities living in Massachusetts who are eligible to receive both Medicare and MassHealth services. With One Care, there is one plan, one card, and one person to coordinate the member’s healthcare. One Care covers all the services a person gets with Medicare and MassHealth. This includes medical, prescription drug, behavioral health, and community support services.


Enrollment is open to members who meet the following criteria:

  1. Age 21 to 64 at the time of enrollment

  2. Eligible for MassHealth Standard or CommonHealth

  3. Enrolled in Medicare Parts A & B and eligible for Medicare Part D

  4. Without other public or private comprehensive insurance

  5. Not enrolled in a Home and Community-based Services (HCBS) waiver

  6. Not residing in an Intermediate Care Facility (ICF/MR)

The two One Care plans currently available are:

  • Commonwealth Care Alliance

  • Tufts Health Unify

The plans service areas can be found on the two plan websites.  Enrollment is voluntary. A member can enroll and disenroll any month of the year.

For more information on One Care, please visit