The largest Medicare Advantage payer in every state

UnitedHealthcare holds the largest share of the Medicare Advantage market in the U.S., with 28 percent of the market. 

A study from the American Medical Association, published Nov. 1, analyzed the market shares for insurers on the state and city level. Humana holds the second largest share of the U.S. market at 19 percent.

UnitedHealthcare is the largest MA provider in 23 states and the District of Columbia, according to the AMA. 

Here is the largest Medicare Advantage payer in each state: 

Alabama 

Humana — 31 percent market share 

 

Arizona 

UnitedHealthcare — 47 percent market share 

 

Arkansas 

UnitedHealthcare — 35 percent market share 

 

California 

Kaiser Permanente — 44 percent market share 

 

Colorado 

UnitedHealthcare — 41 percent market share 

 

Connecticut 

UnitedHealthcare — 47 percent market share 

 

Delaware

CVS Health — 38 percent market share 

 

District of Columbia 

UnitedHealthcare — 56 percent market share 

 

Florida 

Humana — 32 percent market share 

 

Georgia 

UnitedHealthcare — 35 market share 

 

Hawaii 

Blue Cross Blue Shield of Hawaii — 27 percent market share  

UnitedHealthcare — 27 percent market share 

 

Idaho

Blue Cross of Idaho — 34 percent market share 

 

Illinois 

UnitedHealthcare — 33 percent market share 

 

Indiana

UnitedHealthcare — 37 percent market share 

 

Iowa

UnitedHealthcare — 45 percent market share 

 

Kansas 

CVS Health — 35 percent market share 

 

Kentucky 

Humana — 50 percent market share 

 

Louisiana 

Humana — 52 percent market share 

 

Maine 

Martin's Point Health Care — 33 percent market share 

 

Maryland 

Kaiser Permanente — 41 percent market share 

 

Massachusetts 

Point32Health — 36 percent market share 

 

Michigan 

Blue Cross Blue Shield of Michigan — 49 percent market share 

 

Minnesota 

Blue Cross Blue Shield of Minnesota — 30 percent market share 

 

Mississippi 

Humana — 51 percent market share 

 

Missouri 

UnitedHealthcare — 44 percent market share 

 

Montana 

Humana — 64 percent market share 

 

Nebraska 

UnitedHealthcare — 59 percent market share 

 

Nevada 

UnitedHealthcare — 40 percent market share 

 

New Hampshire 

UnitedHealthcare — 39 percent market share 

 

New Jersey 

CVS Health — 40 percent market share 

 

New Mexico 

Presbyterian Health Plan — 29 percent market share 

 

New York 

UnitedHealthcare — 24 percent market share 

 

North Carolina 

Humana — 40 percent market share 

 

North Dakota 

Medica — 73 percent market share 

 

Ohio 

Anthem — 26 percent market share

 

Oklahoma 

UnitedHealthcare — 43 percent market share 

 

Oregon 

UnitedHealthcare — 25 percent market share 

 

Pennsylvania 

CVS Health — 26 percent market share 

 

Rhode Island 

Blue Cross Blue Shield of Rhode Island — 60 percent market share

 

South Carolina 

UnitedHealthcare — 37 percent market share 

 

South Dakota 

Medica — 60 percent market share 

 

Tennessee

Blue Cross Blue Shield Tennessee — 26 percent market share 

 

Texas 

UnitedHealthcare — 50 percent market share 

 

Utah 

UnitedHealthcare — 54 percent market share 

 

Vermont 

UnitedHealthcare — 76 percent market share

 

Virginia 

Humana — 38 percent market share

 

Washington 

UnitedHealthcare — 34 percent market share 

 

West Virginia 

Humana — 60 percent market share 

 

Wisconsin 

UnitedHealthcare — 43 percent market share 

 

Wyoming 

UnitedHealthcare — 67 percent market share


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