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Coordination of Benefits (COB)

This page provides important information regarding Part D sponsors coordination with other providers of prescription drug coverage with respect to the payment of premiums and coverage as well as coverage supplementing the benefits available under Part D.  Information included will also address the processes, such as TrOOP Facilitation and enrollment file sharing through data sharing agreements that support the Coordination of Benefits.  Click through the selection that best matches your information needs.

Please check back, as we will continue to update this page as additional materials are issued.