New Hampshire, like some other states, sets minimum size requirements for stop-loss policies.

The insurer told state officials that the hospital frequently wins arbitration cases, often for compensation that is four or five times as much as the insurer typically pays other providers for the same services.

After earning a medical doctorate from the University of New Mexico, Overton completed a general surgery residency at Johns Hopkins University while also earning a Ph.D. in clinical investigation.

An Aetna subsidiary is the lead defendant, but Aetna says the subsidiary should not be part of the case.