Understanding Medicare Coordination of Benefits (COB)
Medisys Compliance
JUNE 8, 2025
When a healthcare provider treats a patient who has Medicare as well as another type of health insurance, understanding the rules for Medicare Coordination of Benefits (COB) becomes essential. Improper COB handling can result in claim denials, delays, and lost revenue. This article provides a practical overview of all major COB scenarios and outlines how Medicare interacts with other insurance payers, helping healthcare providers submit clean and compliant claims.
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