The largest Medicare Advantage insurer in every state

Becker's Healthcare January 5, 2024
Rylee Wilson

UnitedHealth group has the largest Medicare Advantage market share in 25 states, according to the American Medical Association.

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:...

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