What is the single largest health insurer in the US?
What is the single largest health insurer in the US?
Top 5 Largest Health Insurers in the US by National Market Share UnitedHealth Group. UnitedHealth Group maintained the largest market share in the nation in 2020, although its share diminished slightly compared to 2014. … Anthem. … Aetna. … Cigna. … Kaiser. Sep 29, 2021
