UnitedHealthcare Group, Cigna and CVS Health-backed insurer Aetna, three of the largest U.S. insurers by membership, each had an eventful 2023.
UnitedHealthcare vs. Cigna vs. Aetna: 15 updates for 2024
UnitedHealthcare Group, Cigna and CVS Health-backed insurer Aetna, three of the largest U.S. insurers by membership, each had an eventful 2023.