Reigniting the physicians arms race, insurers are buying practices

Modern Healthcare: In the turf war between hospitals and health insurers over physician practices, hospitals are winning by a long shot. But they'd be ill advised to get too comfortable.

A slew of recent activity shows that insurers are clawing their way back, whether by outright purchases of medical practices or targeting outpatient facilities that employ doctors.

UnitedHealth Group has long led the charge to buy medical practices, absorbing several a year into its OptumCare subsidiary. National insurers Centene Corp., Humana and, most recently, Anthem have also gotten into the game.

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