MMP Edits Update

Effective August 18, 2017 new edits will be implemented for Medicare-Medicaid Plans (MMPs) to support the Social Security Number Removal Initiative (SSNRI) to verify that the Medicare Beneficiary Identifier (MBI) and Health Insurance Claim Number (HICN) are formatted correctly.
In the event you have questions, please contact CSSC Operations at 1-877-534-2772 (option 2) or by email at


Last Updated: 07/18/2017