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New Medicare Card Mailing Update – Wave 6 Begins, Wave 4 Ends

Tuesday, September 18, 2018  
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CMS started mailing new Medicare cards to people with Medicare who live in Wave 6 states: Arizona, Colorado, Idaho, Montana, Nevada, New Mexico, Texas, Utah, Washington and Wyoming.
We finished mailing cards to people with Medicare who live in Waves 1, 2, 3, and now Wave 4 states and territories. If your Medicare patients say they did not get a card, ask them to:

  • Sign into to see if we mailed their card. If so, they can print an official card. They must create an account if they do not already have one.
  • Call 1-800-MEDICARE (1-800-633-4227). There might be something that needs to be corrected, such as updating their mailing address.
  • You can also print out and give them a copy of Still Waiting for Your New Card? or you can order copies to hand out.

To ensure your Medicare patients continue to get care, you can use either the former Social Security number-based Health Insurance Claim Number or the new alpha-numeric Medicare Beneficiary Identifier (MBI) for all Medicare transactions through Dec. 31, 2019.

Check this website as the mailings progress. Continue to direct your Medicare patients to for information about the mailings and to sign up to get email about the status of card mailings in their state.

We are committed to mailing new cards to all people with Medicare by April 2019. 
Information on the transition to the new MBI:


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