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One Care member with CCA care partner

CCA One Care

Are you 21–64 and on MassHealth and Medicare? Join CCA One Care for MORE benefits—at $0 cost to you.

An all-in-one health plan that brings together all your MassHealth and Medicare benefits and MORE—at $0 cost to you

CCA Healthy Savings Card

If you need long-term help with daily activities to live safely and independently at home, you no longer have to have separate MassHealth and Medicare plans to cover all your benefits. With CCA One Care (Medicare-Medicaid Plan), you get all of those benefits in one package:

And here’s the best part—you actually get more benefits and services than you now get with your current plans, at no cost to you. When you enroll in CCA One Care, you will choose doctors from our large network, including many right in your community that you may already know and trust.

Members consistently give CCA One Care a top rating!


For five consecutive years,1 CCA One Care earned a top overall experience rating from consumers; in 2020, CCA earned 93%.

See how CCA One Care helps Jamal live safely and independently at home.

CCA One Care in your community

CCA One Care is available to individuals who live in these counties: Barnstable, Berkshire, Bristol, Essex, Franklin, Hampden, Hampshire, Middlesex, Norfolk, Plymouth, Suffolk, and Worcester.

CCA One Care service area map

1Based on the 2016, 2017, 2018, 2019, and 2020 Consumer Assessment of Healthcare Providers and Systems (CAHPS) surveys.

Commonwealth Care Alliance (CCA) One Care is a health plan that contracts with both Medicare and MassHealth (Medicaid) to provide benefits of both programs to enrollees. For information on CCA One Care and other options for your healthcare, call the MassHealth Customer Service Center at 800-841-2900, Monday through Friday, 8 am – 5 pm, (TTY: 1-800-497-4648), or visit ATENCIÓN: Si habla español, tiene a su disposición servicios gratuitos de asistencia lingüística. Llame al 866-610-2273 (TTY 711).

Contact MassHealth to Enroll in CCA One Care

888-841-2900 (TTY 800-497-4648)
8:00 am to 5:00 pm, Monday through Friday

Questions About Enrollment?

We can walk you through the process, step by step.

Call us at 866-610-2273 (TTY 711) 8 am – 8 pm, 7 days a week