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Lines are blurring between insurers and providers as they vie for more of the $3.8 trillion healthcare industry.
A new report by AM Best shows just how much the DNA of some healthcare companies has changed.
Here's how UnitedHealth, Humana, Cigna, and Anthem, are moving beyond just paying medical claims.
The lines are blurring between companies that provide healthcare and companies that pay for it.
UnitedHealth Group, Humana, Cigna, and Anthem are best known for providing health-insurance coverage in the US. In the past, they've generated most of their revenue by selling insurance plans. Now these companies are increasingly making money by operating clinics and employing doctors to provide healthcare directly to patients.