09/26/2011
Medicare Secondary Payer (MSP) and the Coordination of Benefits Contractor (COBC) Reminder
The Coordination of Benefits Contractor (COBC) handles the initial development of Medicare Secondary Payer (MSP) records for all Medicare Contractors. This includes maintaining and updating all MSP records in the Common Working File (CWF). This process ensures accuracy and integrity of the MSP information in the CWF and provides customer service to beneficiaries, attorneys, employers, insurers, providers and suppliers.
Providers are reminded that the following information must be reported directly to the COBC:
- Beneficiary and/or spousal change in employment
- Reporting of an accident, illness or injury
- Federal program coverage change
- Any other insurance coverage
- General questions relating to primary/secondary coverage
Providers should contact the COBC at (800) 999-1118 for assistance. Written correspondence should be sent to the COBC at:
Medicare - Coordination of Benefits
P.O. Box 33847
Detroit, MI 48232