Return to Search
Form CMS-855O Processing Guide
This MLN Matters Article is intended for eligible ordering, certifying physicians, and other eligible professionals who order or certify items or services for Medicare beneficiaries.
Issued by: Centers for Medicare & Medicaid Services (CMS)
Issue Date: February 23, 2018
DISCLAIMER: The contents of this database lack the force and effect of law, except as authorized by law (including Medicare Advantage Rate Announcements and Advance Notices) or as specifically incorporated into a contract. The Department may not cite, use, or rely on any guidance that is not posted on the guidance repository, except to establish historical facts.