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Medicare Administrative Contractor (MAC) Carrier

Find your Medicare Administrative Contractor (MAC) Carrier

Click on your State / Jurisdiction below

When clicking your State's link, you may be prompted to choose a Medicare Part, be sure to choose Part B 

Alabama
Alaska
Arizona
Arkansas
California
Colorado
Connecticut
Delaware
Florida
Georgia
Hawaii
Idaho
Illinois
Indiana
Iowa

Kansas
Kentucky
Louisiana
Maine
Maryland
Massachusetts
Michigan
Minnesota
Mississippi
Missouri
Montana
Nebraska
Nevada
New Hampshire
New Jersey

New Mexico
New York
North Carolina
North Dakota
Ohio
Oklahoma
Oregon
Pennsylvania
Rhode Island
South Carolina
South Dakota
Tennessee
Texas
Utah
Vermont

Virginia 
(Arlington, Fairfax and Alexandria, Virginia)
Washington
Washington, D.C.
West Virginia
Wisconsin
Wyoming
American Samoa
Guam
Northern Mariana Islands
Puerto Rico
U.S. Virgin Islands
Indian Health
Veterans Affairs

CMS MAC Websites, Secure Internet Portals & Electronic Mailing Lists

cms.gov/MAC-info

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