Common Working File (CWF) Part C Data Exchange and Data Display Changes
CWF contains data indicating when a beneficiary is enrolled under a Medicare Part C contract. Part C contracts are Medicare Advantage Managed Care Plans that provide Part A and B benefits for beneficiaries enrolled under the contract.
Issued by: Centers for Medicare & Medicaid Services (CMS)
Issue Date: June 30, 2006
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.