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  1. What is the difference between Medicare number and MBI?

    Oct 19, 2023 · The Centers for Medicare & Medicaid Services (CMS) developed a new number called the Medicare Beneficiary Identifier (MBI), which replaces the SSN-based Health …

  2. Beneficiary Lookup | CMS

    It shows how to use the Beneficiary Lookup action and explains the matching criteria and response results.

  3. What Is a Medicare Beneficiary Identifier (MBI)? Find Yours

    Feb 28, 2023 · A Medicare Beneficiary Identifier, or MBI, is a personally identifiable number for Medicare recipients. The MBI has replaced the social security number previously used on …

  4. Medicare Beneficiary Identifier (MBI)

    Jun 30, 2025 · Every person with Medicare has been assigned a Medicare Beneficiary Identifier (MBI) and issued a new Medicare card.

  5. Medicare Cards & Medicare Beneficiary Identifiers | MedicareFAQ

    Jun 13, 2023 · Find out what you need to know about the Medicare Beneficiary Identifier, and find answers to common Medicare card questions here.

  6. Finding Your Medicare Number: What to Know

    Oct 30, 2025 · Your Medicare Beneficiary Identifier (MBI) is a unique 11-character code composed of numbers and letters. This code is unique for each person and is only associated …

  7. Help - Beneficiary Lookup

    Enter either the Medicare ID (Health Insurance Claim Number [HICN] or Medicare Beneficiary Identifier [MBI]) or SSN. If both are entered the Medicare ID will be used for the search. For …

  8. Medicare Beneficiary Identifier: Unraveling the Complexities

    Dec 17, 2023 · The beneficiary identifier, also known as the Medicare Beneficiary Identifier (MBI), is a unique number assigned to each Medicare beneficiary. It is used to identify and track your …

  9. New Medicare IDs to be Issued to Nearly 1 Million Beneficiaries

    Oct 29, 2024 · Nearly 1 million Medicare beneficiaries will receive new ID numbers after a major data breach. Discover what this means for your coverage and how to protect your benefits …

  10. Providers & office managers | CMS

    Sep 10, 2024 · What do Medicare Beneficiary Identifiers (MBIs) mean for health care providers & office managers? Using the Medicare Beneficiary Identifiers (MBIs), helps to protect the …