Common Errors

Common Errors that Delay the Enrollment Process:

  • All required sections on the CMS-855A applications are not completed and/or all questions are not answered.
  • The application does not include the NPI or NPI notification letter. Providers must obtain an NPI before submitting a Medicare enrollment application. The NPI must be entered in the appropriate field on the application and the NPI notification letter must be attached.
  • A provider fails to submit a newly signed certification page when submitting changes to the application.
  • A provider submits a photocopied or faxed signature page. Signature pages must contain an original signature.
  • An application is submitted to the incorrect Part A contractor.
  • An applicant submits a CMS-855B application (for Part B) to a Part A contractor.
  • The CMS-855A application is missing the date the facility started rendering services at that location.
  • The CMS-855A, Section 6 does not include one managing employee in addition to listing all owners/directors/officers and/or partners. This section is also to be completed for any delegated officials listed on the application and the home office administrator.

Common Errors on the CMS 855A

Get helpful tips on how to avoid errors on the CMS 855A Form.

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Common Errors - CMS 588-EFT Agreement

See common mistakes made on the 588 Electronic Funds Transfer Agreement

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Page modified:July 29, 2007