Attention Billers: Medicare Secondary Payer Problem With HETS

The Centers for Medicare & Medicaid Services (CMS) and the Medicare Administrative Contractors (MACs) are aware of a problem with the HIPAA Eligibility Transaction System (HETS) Medicare Secondary Payer (MSP) data received from the Common Working File (CWF).  The MACs’ eligibility systems/portals that receive MSP data from HETS may be affected by this issue. Due…