CCA One Care (Medicare-Medicaid Plan)
Commonwealth Care Alliance transitioned the CCA One Care (Medicare-Medicaid Plan) to a Dual Eligible Special Needs Plan (D-SNP).
Are you a member? Here’s what you need to know.
As of January 1, 2026, Commonwealth Care Alliance transitioned the CCA One Care (Medicare-Medicaid Plan) to a Dual Eligible Special Needs Plan (D-SNP).
If you are a former member and have questions, call our Member Services team at 866-610-2273 (TTY 711).
Important 2025 CCA One Care (Medicare-Medicaid Plan) Documents
2025 CCA One Care (Medicare-Medicaid Plan) (MA) – Member Handbook
A detailed document to explain how your CCA One Care plan works and what care and services are covered.
2025 CCA One Care (Medicare-Medicaid Plan) (MA) – Directory by County
2025 CCA One Care (Medicare-Medicaid Plan) (MA) – Directory by County | Spanish
2025 CCA One Care (Medicare-Medicaid Plan) (MA) – Directory by County | Portuguese
CCA One Care (Medicare-Medicaid Plan) – Member Claims Form
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We’re here to support you
866-537-5816
(TTY 711)
Monday through Friday, 8 am to 8 pm Eastern Time, and from October 1 to March 31, the same hours, 7 days a week.
