Last Modified: 11/30/2020
Location: FL, PR, USVI
Business: Part A, Part B
Q: When do I need to complete a new CMS-855?
A. You need to complete a new CMS-855 when:
• An individual or entity is requesting initial enrollment into the Medicare program.
• Changes are being submitted to update enrollment information and the individual or entity does not have a completed enrollment application (CMS-855) on file.
• An individual or entity is submitting a request for Electronic Funds Transfer (EFT) and an enrollment application is not on file.
Note: For more information about revalidation requests, please refer to our
Revalidations FAQs.

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