Fee-for-all. Physician fees are the source of increased spending in U.S., researchers find--but some say there's more to it than that.

As pressure mounts to contain healthcare spending, a study says U.S, doctors are outearning their foreign rivals. But some stressed doctor fees are just a small part of the puzzle. "Hospitals, physicians, payers, policymakers all need to be pushing for more transparency and more understandable metrics of qualities of cost for physicians," says Dr. Kevin Bozic.