The AMA’s annual “Competition in Health Insurance” report, published Nov. 19, found that 95% of metropolitan areas have “highly concentrated” commercial health insurance markets. In 89% of metropolitan areas, one payer has at least a 30% market share in combined HMO, PPO, point-of-sale and exchange markets. In 47% of markets, one insurer had a share of
50% or more.
These are the states where the largest payer controls more than half of the market:
Alabama
BCBS: 86% market share
Kentucky
Elevance: 67% market share
Michigan
BCBS: 67% market share
Louisiana
BCBS: 66% market share
Illinois
BCBS: 63% market share
Hawaii
BCBS: 63% market share
South Carolina
BCBS: 59% market share
Oklahoma
BCBS: 57% market share
Vermont
BCBS: 57% market share
Indiana
Elevance: 56% market share
Delaware
Highmark: 56% market share
