May 15, 2012
Medicare Enrollment/Revalidation: Requests for the IRS Form CP 575
The IRS Form CP 575 is an Internal Revenue Service (IRS) generated letter you receive from the IRS granting your Employer Identification Number (EIN). A copy of your CP 575 may be required by the Medicare contractor to verify the provider or supplier's legal business name and EIN.
When is the CP 575 is required to be submitted to the Medicare contractor?
- If the applicant is enrolling as a professional corporation, professional association, or limited liability corporation
- If the applicant is enrolling as a sole proprietor using an EIN
- If the Medicare contractor determines a discrepancy between the provider or supplier's legal business name and EIN provided in Section 2 of the CMS-855 form
- The CP 575 May be requested by the CMS External User Services (EUS) Help Desk, for verification, when the Authorized Official (AO) of the provider or supplier organization registers for Internet-based PECOS access.
If you do not have a form CP 575: contact the IRS on 1-800-829-4933 from 7am to 7pm.