The group published its annual “Competition in Health Insurance” report in December. According to the report, 90% of Medicare Advantage markets are “highly concentrated,” meaning one insurer has more than 30% of the market. In 31% of markets, one insurer has more than 50% of the market share.
Here are the insurers with the largest market share in each state in 2022:
Alabama
Humana: 31%
Arizona
UnitedHealth Group: 47%
Arkansas
UnitedHealth Group: 36%
California
Kaiser: 43%
Colorado
UnitedHealth Group: 50%
Connecticut
UnitedHealth Group: 53%
Delaware
UnitedHealth Group: 33%
Florida
Humana: 31%
Georgia
UnitedHealth Group: 33%
Hawaii
UnitedHealth Group: 27%
Idaho
Blue Cross of Idaho: 34%
Illinois
UnitedHealth Group: 32%
Indiana
UnitedHealth Group: 37%
Iowa
UnitedHealth Group: 45%
Kansas
UnitedHealth Group: 36%
Kentucky
Humana: 45%
Louisiana
Humana: 50%
Maine
Martin’s Point Healthcare: 31%
Maryland
Kaiser: 37%
Massachusetts
Point32Health: 28%
Michigan
BCBS Michigan: 45%
Minnesota
BCBS Minnesota: 33%
Mississippi
Humana: 48%
Missouri
UnitedHealth Group: 47%
Montana
Humana: 65%
Nebraska
UnitedHealth Group: 57%
Nevada
UnitedHealth Group: 39%
New Hampshire
UnitedHealth Group: 39%
New Jersey
Aetna: 37%
New Mexico
Presbyterian Healthcare Services: 28%
New York
UnitedHealth Group: 23%
North Carolina
Humana: 38%
North Dakota
Medica: 65%
Ohio
Elevance Health: 25%
Oklahoma
UnitedHealth Group: 47%
Oregon
UnitedHealth Group: 26%
Pennsylvania
Aetna: 27%
Rhode Island
BCBS Rhode Island: 58%
South Carolina
Humana: 36%
South Dakota
Medica: 59%
Tennessee
UnitedHealth Group: 25%
Texas
UnitedHealth Group: 49%
Utah
UnitedHealth Group: 53%
Vermont
UnitedHealth Group: 70%
Virginia
Humana: 33%
Washington
UnitedHealthcare: 35%
West Virginia
Humana: 57%
Wisconsin
UnitedHealth Group: 43%
Wyoming
UnitedHealth Group: 73%