Three-quarters of brand-name drugs increasedin cost and nearly half of these increases exceeded inflation.

"Patients shouldn't have to choose between speed, cost and convenience when it comes to their medication, regardless of where they live," Vice President John Love said.

Oscar Health CEO Mark Bertolini expects the plan managers to have a bigger stake in worker wellness.

An increase at this level "would only exacerbate seniors' financial stress," said Shannon Benton of The Senior Citizens League.