Medicare BCRC fax number (coordination of benefits)

Where to fax correspondence about reporting a case or Medicare coordination of benefits to the Benefits Coordination & Recovery Center (BCRC).

Verified October 22, 2026Checked against Coordination of Benefits & Recovery contacts (CMS.gov), Data Collections.

Medicare BCRC fax number (coordination of benefits): which number to use
Who uses it	Office	Fax
Reporting a case, coordination of benefits	BCRC, Medicare - Data Collections	1-833-844-1427

Before you fax

If you received recovery correspondence, CMS says to send documents to the return address on that letter.
BCRC customer service: 1-855-798-2627 (TTY 1-855-797-2627).

Last verified October 22, 2026

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