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Submit provider enrollment applications electronically

February 10, 2026
Are you sending hardcopy mail to submit your requests to First Coast? Did you know there are faster and easier ways to send your requests to us? Avoid the wait. Learn about the electronic options available for you to submit provider enrollm…

New enrollment

February 19, 2026
Use the links on the left to view the steps to become a Medicare provider. This section offers links to guide providers through the Medicare enrollment process. 

Completing the Medicare CMS-855O enrollment application

February 18, 2026
View these instructions for the CMS-855O form.

Completing the Medicare CMS-855B enrollment application

May 8, 2026
View helpful hints for completing the CMS-855B application.

Completing the Medicare CMS-20134 enrollment application

May 12, 2026
View instructions on completing the CMS-20134 enrollment application.

Completing the Medicare CMS-855A enrollment application for institutional providers

April 8, 2026
View these guidelines for completing the CMS-855A enrollment application for Part A institutional providers.

Completing the Medicare CMS-460 enrollment application

March 6, 2026
CMS released a new version of Form CMS-460 (version 12/28). The former version (11/22) will no longer be accepted by the MACs after March 6, 2026. Read these instructions to complete the CMS-460 form.

New provider roadmap

December 23, 2025
View this new provider roadmap for guidance through the Medicare process.

Provider enrollment effective dates

February 18, 2026
Review this article for information on provider enrollment effective dates.

Method II critical access hospitals: Reprocessing certain claims with reassigned billing rights

April 8, 2026
Breaking news for critical access hospitals (CAHs): CMS has directed MACs to immediately turn off reason codes 31006 and 31007 to give providers time to submit all method II reassignments to their Part A CAHs promptly. Read further to learn…
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