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Medicare Administrative Contractors (MAC) Help Desk Contacts

Medicare Administrative Contractors (MAC) Awarded Jurisdictions

State A/B Jurisdiction A/B MAC DME Jurisdiction DME MAC HH&H Jurisdiction HH&H MAC
Alabama 10 Cahaba GBA C CIGNA Government Services C Palmetto GBA
Alaska 2 NHIC, Corp. D Noridian Administrative Services D Noridian Administrative Services
American Samoa 1 Palmetto GBA D Noridian Administrative Services D Noridian Administrative Services
Arizona 3 Noridian Administrative Services D Noridian Administrative Services D Noridian Administrative Services
Arkansas 7 TrailBlazer Health Enterprises C CIGNA Government Services C Palmetto GBA
California 1 Palmetto GBA D Noridian Administrative Services D Noridian Administrative Services
Colorado 4 TrailBlazer Health Enterprises C CIGNA Government Services B Highmark Medicare Services
Connecticut 13 National Government Services A NHIC, Corp. A NHIC, Corp.
Delaware 12 Highmark Medicare Services A NHIC, Corp. B Highmark Medicare Services
Dist. of Columbia 12 Highmark Medicare Services A NHIC, Corp. B Highmark Medicare Services
Florida 9 First Coast Service Options C CIGNA Government Services C Palmetto GBA
Georgia 10 Cahaba GBA C CIGNA Government Services C Palmetto GBA
Guam 1 Palmetto GBA D Noridian Administrative Services D Noridian Administrative Services
Hawaii 1 Palmetto GBA D Noridian Administrative Services D Noridian Administrative Services
Idaho 2 NHIC, Corp. D Noridian Administrative Services D Noridian Administrative Services
Illinois 6 Noridian Administrative Services B National Government Services C Palmetto GBA
Indiana 8 National Government Services B National Government Services C Palmetto GBA
Iowa 5 Wisconsin Physicians Health Insurance Corp. D Noridian Administrative Services B Highmark Medicare Services
Kansas 5 Wisconsin Physicians Health Insurance Corp. D Noridian Administrative Services B Highmark Medicare Services
Kentucky 15 Highmark Medicare Services B National Government Services C Palmetto GBA
Louisiana 7 TrailBlazer Health Enterprises C CIGNA Government Services C Palmetto GBA
Maine 14 NHIC, Corp. A NHIC, Corp. A NHIC, Corp.
Marina Islands 1 Palmetto GBA D Noridian Administrative Services D Noridian Administrative Services
Maryland 12 Highmark Medicare Services A NHIC, Corp. B Highmark Medicare Services
Massachusetts 14 NHIC, Corp. A NHIC, Corp. A NHIC, Corp.
Michigan 8 National Government Services B National Government Services D Noridian Administrative Services
Minnesota 6 Noridian Administrative Services B National Government Services D Noridian Administrative Services
Mississippi 7 TrailBlazer Health Enterprises C CIGNA Government Services C Palmetto GBA
Missouri 5 Wisconsin Physicians Health Insurance Corp. D Noridian Administrative Services B Highmark Medicare Services
Montana 3 Noridian Administrative Services D Noridian Administrative Services B Highmark Medicare Services
Nebraska 5 Wisconsin Physicians Health Insurance Corp. D Noridian Administrative Services B Highmark Medicare Services
Nevada 1 Palmetto GBA D Noridian Administrative Services D Noridian Administrative Services
New Hampshire 14 NHIC, Corp. A NHIC, Corp. A NHIC, Corp.
New Jersey 12 Highmark Medicare Services A NHIC, Corp. D Noridian Administrative Services
New Mexico 4 TrailBlazer Health Enterprises C CIGNA Government Services C Palmetto GBA
New York 13 National Government Services A NHIC, Corp. D Noridian Administrative Services
North Carolina 11 Palmetto GBA C CIGNA Government Services C Palmetto GBA
North Dakota 3 Noridian Administrative Services D Noridian Administrative Services B Highmark Medicare Services
Ohio 15 Highmark Medicare Services B National Government Services C Palmetto GBA
Oklahoma 4 TrailBlazer Health Enterprises C CIGNA Government Services C Palmetto GBA
Oregon 2 NHIC, Corp. D Noridian Administrative Services D Noridian Administrative Services
Pennsylvania 12 Highmark Medicare Services A NHIC, Corp. B Highmark Medicare Services
Puerto Rico 9 First Coast Service Options C CIGNA Government Services D Noridian Administrative Services
Rhode Island 14 NHIC, Corp. A NHIC, Corp. A NHIC, Corp.
South Carolina 11 Palmetto GBA C CIGNA Government Services C Palmetto GBA
South Dakota 3 Noridian Administrative Services D Noridian Administrative Services B Highmark Medicare Services
Tennessee 10 Cahaba GBA C CIGNA Government Services C Palmetto GBA
Texas 4 TrailBlazer Health Enterprises C CIGNA Government Services C Palmetto GBA
U.S. Virgin Islands 9 First Coast Service Options C CIGNA Government Services D Noridian Administrative Services
Utah 3 Noridian Administrative Services D Noridian Administrative Services B Highmark Medicare Services
Vermont 14 NHIC, Corp. A NHIC, Corp. A NHIC, Corp.
Virginia 11 Palmetto GBA C CIGNA Government Services B Highmark Medicare Services
Washington 2 NHIC, Corp. D Noridian Administrative Services D Noridian Administrative Services
West Virginia 11 Palmetto GBA C CIGNA Government Services B Highmark Medicare Services
Wisconsin 6 Noridian Administrative Services B National Government Services D Noridian Administrative Services
Wyoming 3 Noridian Administrative Services D Noridian Administrative Services B Highmark Medicare Services