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CGS Administrators, LLC

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May 11, 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 you do not have a form CP 575: contact the IRS on 1-800-829-4933 from 7am to 7pm.

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