Medicare Commercial Repayment Center fax numbers
Where to fax inquiries about Medicare Secondary Payer recovery handled by the Commercial Repayment Center (CRC).
Verified October 22, 2026Checked against Coordination of Benefits & Recovery contacts (CMS.gov), Commercial Repayment Center.
| Who uses it | Office | Fax |
|---|---|---|
| Group Health Plan (GHP) recovery inquiries | Commercial Repayment Center, Group Health Plan recovery | 1-844-315-4313 |
| Non-Group Health Plan (NGHP) recovery initiated by the CRC | Commercial Repayment Center, Non-Group Health Plan recovery | 1-844-315-7627 |
Before you fax
- If you received recovery correspondence, CMS says to send documents to the return address on that letter.
- Commercial Repayment Center PortalCMS lists the portal for electronic submission of documents and payments.