CMS FOIA request fax number

Where to fax a signed Freedom of Information Act (FOIA) request to the CMS Freedom of Information Group.

Verified October 22, 2026Checked against CMS/Freedom of Information Act (FOIA) Document/Records Request Form.

CMS FOIA request fax number: which number to use
Who uses it	Office	Fax
Signed FOIA requests to CMS	CMS Freedom of Information Group	443-380-8871

Before you fax

The form says signed FOIA requests are accepted by fax, but CMS does not send final responses by fax.
Request Medicare claim records onlineThe form also points to FOIA.gov for other requests.

Last verified October 22, 2026

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