Payers ranked by Medicare Advantage enrollment in 2024 

UnitedHealth is still the largest Medicare Advantage carrier in the country, while CVS Health recorded 15% growth in MA membership during the annual enrollment period, according to an analysis published by Baltimore Health Analytics.

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The analysis sourced CMS Medicare Advantage enrollment data. The rate of plan growth or decline during the AEP is included in parentheses. A full ranking is here.

Top 10 payers by Medicare Advantage enrollment in 2024: 

  1. UnitedHealth Group: 9.5 million (1%)
  2. Humana: 6.1 million (2%)
  3. CVS Health: 3.9 million (15%)
  4. Elevance Health: 2 million (-1%)
  5. Kaiser Permanente: 1.9 million (0%)
  6. Centene: 1.2 million (-11%)
  7. BCBS Michigan: 696,000 (4%)
  8. Cigna: 597,000 (-1%)
  9. Highmark Health: 417,000 (4%)
  10. Florida Blue: 332,000 (0%)

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