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Provider Resource Guides

Please refer to the provider resource guides for important information on who to contact and the self-service tools available to providers.

Key Contacts

You can find key resources to support CCA members in our updated Provider Manual, Section 1, “Key Contact Information.” This includes an up-to-date contact list available online. 

Massachusetts:

Rhode Island:

Claims Submission Information

Please ensure you are utilizing the appropriate billing address and payer IDs by product to minimize reimbursement delays.

1.    Medicare Advantage Plan Claims

Please reference the Medicare Advantage (MA) Provider Manual, Section 6, “Claims and Billing Procedures,” for billing guidance, EDI claims information (including payer ID), and billing address.

Electronic Claims Submissions

Paper Claims, Corrected Claims, and Provider Appeals

Commonwealth Care Alliance – MA

P.O. Box 3012

Milwaukee, WI 53201-3012

Claim Status

2.    Senior Care Options and One Care Plan Claims

Please reference the Senior Care Options / One Care Provider Manual, Section 6, “Claims and Billing Procedures,” for billing guidance, EDI claims information, and billing address.

Electronic Claims Submissions

Paper Claims, Corrected Claims and Provider Appeals

Commonwealth Care Alliance
P.O. Box 548
Greenland, NH 03840-0548

Claim Status

Thank you for your continued support and the quality of care you provide to CCA members. If you have any questions, please contact CCA Provider Services at 866-420-9332.