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November 5, 2019

Protect Your Patients' Identities: Use the MBI Now!

Protect your patients' identities by using the Medicare Beneficiary Identifier (MBI) now. Don't have an MBI?

  • Ask your patients for their card. If they did not get a new card, give them the Get Your New Medicare Card flyer in EnglishExternal PDF or SpanishExternal PDF.
  • Use the myCGS MBI Look-Up Tool. Sign up for the myCGS Portal to use the tool.
  • Check the remittance advice. We return the MBI on the remittance advice for every claim with a valid and active Health Insurance Claim Number (HICN).

Will your claims be paid in 2020? Starting January 1, you must use MBIs when billing Medicare regardless of the date of service:

  • We will reject claims submitted with HICNs with a few exceptionsExternal Website
  • We will reject all eligibility transactions submitted with HICNs

For more information, see the MLN Matters ArticleExternal PDF.


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