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Commonly Asked Questions about Medicare Revalidation


All Medicare providers are required to periodically revalidate their enrollment information. CMS has implemented several improvements designed to streamline the revalidation process and reduce the burden on providers. However, it is still a somewhat complicated process. Below are some frequently asked questions and answers to aid you.

How do I know if it is time for me to revalidate?

A revalidation notice will be sent by your Medicare Administrative Contractor (MAC) 3-4 months prior to the revalidation due date. The notice will be sent via email addresses reported on your prior applications or by postal mail to at least two of your reported addresses. You can also check on to see if a due date is listed. If you have not received a notification and it is within two months of the date listed, you are encouraged to submit your revalidation. Do not submit a revalidation if:

  • You have not received an email/postal mail letter from your MAC requesting revalidation

  • Your due date is not listed on the above website

Unsolicited revalidations will be returned.

Should I revalidate by postal mail or via the internet?

The most efficient way to submit your revalidation is through the site Internet Based PECOS. On this site you can review information currently on file, update, sign and submit your revalidation.

What if I am assigned to multiple groups?

Providers who reassign their benefits to multiple groups must make sure that all of their enrollment information for each group is included in one revalidation application. Checking that all Provider Transaction Access Numbers (PTANs), practice locations and reassignments are properly reported on the application should prevent unnecessary deactivations.

What information is required for the revalidation application?

Each provider or supplier is required to revalidate their entire Medicare enrollment record, including all practice locations and all groups that benefits are reassigned. See  Revalidation Checklist (PDF)  to ensure that your application is complete. Submitting an incomplete application will result in delays in processing.

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If you require medical credentialing and payer enrollment needs for your practice or medical facility, please contact 1st Assistant. Our experienced and dedicated specialists will provide all credentialing and enrollment services quickly and will monitor your account for ongoing updates and re-attestations. Heidi Henderson, Vice President of Credentialing, is eager to meet you and discuss your payer enrollment needs. Please call us at 512.201.2668 or contact us via the website.

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