The largest exchange plan payer in every state

Centene holds the largest share of the ACA exchange market in the U.S., at 15 percent, according to a study from the American Medical Association. 

The study, published Nov. 1, analyzed payers' market share at the city and state level for commercial, exchange and Medicare Advantage markets. 

Here is the largest payer on the ACA exchange market in each state: 

 

Alabama

Blue Cross Blue Shield of Alabama — 96 percent market share


Alaska 

Premera — 92 percent market share 

Arizona 

Centene — 52 percent market share 

Arkansas 

Blue Cross Blue Shield of Arkansas — 57 percent market share

California 

Kaiser Permanente — 38 percent market share

Colorado 

Anthem — 28 percent market share

Connecticut 

EnblemHealth — 78 percent market share

Delaware 

Highmark — 100 percent share

District of Columbia

CareFirst Blue Cross Blue Shield — 82 percent market share 

Florida 

Blue Cross Blue Shield of Florida — 55 percent market share

Georgia 

Centene — 62 percent market share 

Hawaii 

Hawaii Medical Service Association (Blue Cross Blue Shield of Hawaii) — 68 percent market share 


Idaho 

Intermountain — 39 percent market share

Illinois 

Health Care Services Corporation — 71 percent market share


Indiana 

CareSource — 60 percent market share

Iowa 

Wellmark Blue Cross Blue Shield — 51 percent market share

Kansas 

Blue Cross Blue Shield of Kansas – 52 percent market share 

Kentucky 

CareSource — 62 percent market share

Louisiana 

Blue Cross Blue Shield of Louisiana — 97 percent market share

Maine

Point32Health — 41 percent market share 

Maryland 

CareFirst Blue Cross Blue Shield — 66 percent market share

Massachusetts

Point32Health — 55 percent market share 

Michigan 

Blue Cross Blue Shield of Michigan — 64 percent market share 

Minnesota 

UCare — 46 percent market share

Mississippi 

Centene — 74 percent market share 

Missouri 

Centene — 43 percent share

Montana 

Health Care Services Corporation — 38 percent market share 

Nebraska 

Medica — 82 percent market share


Nevada 

UnitedHealthcare — 56 percent market share 

New Hampshire 

Centene — 48 percent market share 

New Jersey 

Horizon Blue Cross Blue Shield — 48 percent market share 

New Mexico 

Molina Healthcare —56 percent market share 

New York 

Centene — 41 percent market share 

North Carolina 

Blue Cross Blue Shield of North Carolina — 76 percent market share 

North Dakota 

Blue Cross Blue Shield of North Dakota — 66 percent market share 

Ohio 

Centene — 30 percent market share 

Oklahoma 

Health Care Services Corporation — 78 percent market share 

Oregon 

Providence Health — 31 percent market share 

Pennsylvania 

Independence Health Group — 34 percent market share 

Rhode Island 

Neighborhood Health Plan — 80 percent market share 

South Carolina 

Blue Cross Blue Shield of South Carolina — 83 percent market share 

South Dakota 

Avera Health — 55 percent market share 

Tennessee 

Cigna — 45 percent market share 

Texas 

Molina Healthcare — 33 percent market share 

Utah 

Intermountain — 82 percent market share 

Vermont 

MVP Healthcare — 61 percent market share 

Virginia 

Anthem — 47 percent market share 

Washington 

Kaiser Permanente — 26 percent market share 

West Virginia 

Highmark — 58 percent market share 

Wisconsin 

Common Ground — 27 percent market share 

Wyoming 

Blue Cross Blue Shield of Wyoming — 91 percent market share 

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