A federal judge has ordered CVS Health’s pharmacy benefit manager, Caremark, to pay nearly $290 million after a whistleblower accused the business of overcharging Medicare on prescription drugs more than a decade ago.

Sarah Behnke, a former Aetna actuary, alleged Caremark defrauded Medicare Part D by causing false drug cost reports to be submitted in 2013 and 2014.

Caremark was found liable in June and Philadelphia federal court Chief Judge Mitchell Goldberg ordered the company to pay $95 million in damages, deferring final rulings on penalties.

Goldberg, who was appointed by former President George W. Bush , tripled the damages on Tuesday, finding Caremark Rx, CaremarkPCS Health and CVS Caremark Part D Services should pay a total of $289.9 million in damages and penalties, acco

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