How do i find my medicare mbi number?

To find your Medicare Beneficiary Identifier (MBI) number, you can follow these steps:

  1. Check Your Medicare Card: The easiest way to find your MBI number is to check your Medicare card. The MBI is typically located on the front of your Medicare card. It consists of 11 characters, a combination of letters and numbers. The MBI replaced the Social Security Number (SSN) as the identifier to protect your privacy.

  2. Review Medicare Documents: If you can’t find your physical card, you may have received other Medicare documents or statements that include your MBI number. Check any letters or notices you’ve received from Medicare.

  3. Contact Medicare: If you’ve exhausted other options and still can’t find your MBI, you can contact Medicare directly. You can call the Medicare helpline at 1-800-MEDICARE (1-800-633-4227) or log in to your Medicare account on the official Medicare website ( to request assistance. They can provide you with your MBI over the phone or by mail.

  4. Talk to Your Healthcare Provider: If you’re receiving healthcare services, your healthcare provider should have your MBI on file. They can provide it to you if you ask.

  5. Check Online Accounts: If you have an online account with Medicare or your healthcare provider, your MBI may be accessible there.

Remember to keep your MBI number secure to protect your identity and privacy. Do not share it with anyone who does not have a legitimate need for it, and be cautious of potential scams or fraudulent requests for your MBI.

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