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CMS Updates Info on New Medicare Cards

Posted on Monday, May 20, 2019 12:01 AM

CMS sent out an update on the new Medicare cards that were sent out to all beneficiaries in the past year.  These new cards have a Medicare Beneficiary Identifier (MBI) instead of the beneficiary’s social security number. 

There still seems to be some confusion for providers with these new cards so here is a short refresher:

About the MBI:

  • MBIs are random and use numbers 0-9 and uppercase letters, except for S, L, O, I, B, and Z. CMS excludes these letters to avoid confusion when differentiating between these letters and numbers (e.g., between “0” and “O”). Read MLN Matters® Article New MBI Get It Use It for helpful information, including what to do if an MBI changes.
  • Learn about Getting MBIs
  • Learn about Using MBIs

Medicare patients should have destroyed their old cards.  If they discarded their new card, they should contact 1-800-MEDICARE to request a replacement. 

Source: NAHC Report

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