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Medicare Contracting Reform

Medicare Administrative Contractor Implementation Schedule

MAC Implementation Schedule

Upon award of a Medicare Administrative Contract, the incoming MAC contractor shall carry out the orderly transfer of all Medicare data, records, and operations from the outgoing MAC and/or carriers and intermediaries within its jurisdiction.  The incoming contractor shall develop, and follow an implementation plan for the transfer of each Part A and/or Part B Medicare Fee-For-Service workload.  The embedded hyperlinks below provide access to the MAC Implementation Schedules for the following active MAC transitions.  

Active MAC Implementations 

Jurisdiction

States

Jurisdiction 6 Implementation Schedule

A/B MAC States:  Illinois, Minnesota, and Wisconsin

Home Health and Hospice States and Territories:  Alaska, Arizona, California, Hawaii, Idaho, Michigan, Minnesota, Nevada, New Jersey, New York, Oregon, Wisconsin and Washington, American Samoa, Guam, Northern Mariana Islands, Puerto Rico, and the U.S. Virgin Islands.