Top 10 US Health Insurance Providers 2026

$372B revenue. CVS acquired Aetna in 2018 for $69B, creating a pharmacy-insurance powerhouse. Aetna covers 38M+ members across commercial, Medicare, and Medicaid products.

CVS Health / Aetna

$195B revenue. Cigna integrated Express Scripts pharmacy benefit management into Evernorth Health Services. Covers 19M+ medical members across commercial and government plans.

Cigna / Evernorth

$171B revenue. Blue Cross Blue Shield licensee in 14 states. Rebranded as Elevance Health in 2022. Serves 48M+ members through commercial, Medicare, and Medicaid plans.

Anthem / Elevance Health

$116B revenue. The leading Medicare Advantage insurer with 20%+ market share and 5.8M MA members. Based in Louisville, KY, Humana focuses on seniors and government-sponsored plans.

Humana

$153B revenue. The largest Medicaid managed care organization in the US, serving 28M+ low-income beneficiaries. Also active in ACA marketplace and Medicare plans.

Centene Corporation

$38B revenue. Focused on Medicaid and ACA marketplace coverage for low-income Americans. Serves 5.6M members across 20 states. Known for low-cost, government-sponsored plan expertise.

Molina Healthcare

Covers 115M Americans — one in three. A federated network of 33 independent plans operating under the BCBS brand. Together the largest US health insurer by membership.

Blue Cross Blue Shield Association

$100B revenue, 12.7M members. A not-for-profit integrated health system operating both insurance plans and hospitals. Active in 8 states plus DC with a unique care delivery model.

Kaiser Permanente

$8B revenue. Tech-first ACA marketplace insurer co-founded by Josh Kushner in 2012. Uses technology to simplify the member experience. Serves 1.6M+ members across 22 states.

Oscar Health

$372B revenue. CVS acquired Aetna in 2018 for $69B, creating a pharmacy-insurance powerhouse. Aetna covers 38M+ members across commercial, Medicare, and Medicaid products.

CVS Health / Aetna

$195B revenue. Cigna integrated Express Scripts pharmacy benefit management into Evernorth Health Services. Covers 19M+ medical members across commercial and government plans.

Cigna / Evernorth

$171B revenue. Blue Cross Blue Shield licensee in 14 states. Rebranded as Elevance Health in 2022. Serves 48M+ members through commercial, Medicare, and Medicaid plans.

Anthem / Elevance Health

$116B revenue. The leading Medicare Advantage insurer with 20%+ market share and 5.8M MA members. Based in Louisville, KY, Humana focuses on seniors and government-sponsored plans.

Humana

$153B revenue. The largest Medicaid managed care organization in the US, serving 28M+ low-income beneficiaries. Also active in ACA marketplace and Medicare plans.

Centene Corporation

$38B revenue. Focused on Medicaid and ACA marketplace coverage for low-income Americans. Serves 5.6M members across 20 states. Known for low-cost, government-sponsored plan expertise.

Molina Healthcare

Covers 115M Americans — one in three. A federated network of 33 independent plans operating under the BCBS brand. Together the largest US health insurer by membership.

Blue Cross Blue Shield Association

$100B revenue, 12.7M members. A not-for-profit integrated health system operating both insurance plans and hospitals. Active in 8 states plus DC with a unique care delivery model.

Kaiser Permanente

$8B revenue. Tech-first ACA marketplace insurer co-founded by Josh Kushner in 2012. Uses technology to simplify the member experience. Serves 1.6M+ members across 22 states.

Oscar Health