New Medicare Cards

Updated: May 29, 2020

Things to know:

  • Your new card has an 11-digit Medicare Beneficiary Identifier (MBI) Number

  • Identifier is a mix of numbers & letters

  • Identifier Replaces enrollee's Social Security Number

  • Your new MBI number will be sent automatically to Medicare beneficiaries

  • You need to update your address if there's been a change with the Social Security Administration, 800-772-1213

  • ONLY give your new card info to your medical providers - NOT TO STRANGERS

  • Washington will start to roll out your new Medicare Cards after the month of JUNE, 2018.


  • You do not need to "activate" your new card

  • You do not need to "deactivate" your old card

  • You do not need to send anyone your old Medicare card

  • You do not need to pay for a new Medicare card

  • You do not need to pay for a temporary Medicare card

  • There are no refunds on your old card

  • There is no way to "expedite" delivery of your new card

  • You cannot choose your own Medicare number (MBI)

  • Medicare (CMS) or Social Security (SSA) will not call you about your account

  • Medicare (CMS) or Social Security (SSA) will never ask for your Social Security number, your bank account numbers or any other personal information.

  • Protect your new Medicare number. Only share with your health care providers.

If you have any questions, call:

Social Security: 800-772-1213

Medicare: 800-633-4227

Aging & Disability Resource Center:

Kitsap County 360-337-5700

Port Townsend 360-385-2552

Port Hadlock 360-379-5064

Sequim 360-452-3221

Pierce County 253-798-4600

Article submitted by:

Mary Coupland

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