CVS Health/Aetna — 8.2 percent increase
June 30, 2022: 3.22 million members
Dec. 31, 2021: 2.97 million members
UnitedHealthcare — 7 percent increase
June 30, 2022: 6.95 million members
Dec. 31, 2021: 6.49 million members
Elevance Health — 4.7 percent increase
June 30, 2022: 1.95 million members
Dec. 31, 2021: 1.86 million members
Humana — 3 percent increase
June 30, 2022: 5.12 million members
Dec. 31, 2021: 4.97 million members
Cigna — 4.1 percent decrease
June 30, 2022: 544,000 members
Dec. 31, 2021: 567,000 members
Centene has only reported overall Medicare growth this year and did not separate Medicare Advantage growth, though the company said it had 1.1 million total MA members in 2021. In 2022, the company expanded its MA brand, WellCare, into a total of 36 states and 1,575 counties.