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Part A and Part B MACs

A/B MACs process Medicare Part A and Medicare Part B claims for a defined geographic area or “jurisdiction,” servicing institutional providers, physicians, practitioners, and suppliers.

Jurisdiction 5 – Wisconsin Physicians Service (WPS)
(Iowa, Kansas, Missouri, Nebraska)

Jurisdiction 6 – National Government Services, Inc.
(Illinois, Minnesota, Wisconsin)

Jurisdiction 8 – Wisconsin Physicians Service (WPS)
(Indiana, Michigan)

Jurisdiction 15 – CGS Administrators, LLC
(Kentucky, Ohio)

Jurisdiction E – Noridian Healthcare Solutions, LLC
(California, Hawaii, Nevada, American Samoa, Guam, Northern Mariana Islands)

Jurisdiction F – Noridian Healthcare Solutions, LLC
(Alaska, Arizona, Idaho, Montana, North Dakota, Oregon, South Dakota, Utah, Washington, Wyoming)

Jurisdiction H – Novitas Solutions, Inc.
(Arkansas, Colorado, New Mexico, Oklahoma, Texas, Louisiana, Mississippi)

Jurisdiction J – Cahaba Government Benefit Administrators, LLC
(Alabama, Georgia, Tennessee)

Jurisdiction K —National Government Services, Inc.
(Connecticut, New York, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont)

Jurisdiction L —National Government Services, Inc.
(Connecticut, New York, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont)

Jurisdiction M— Palmetto GBA, LLC
(North Carolina, South Carolina, Virginia, West Virginia)

Jurisdiction N —First Coast Service Options, Inc.
(Florida, Puerto Rico, U.S. Virgin Islands)