Health plans say insurance exchanges may not lead to more choices, and young people could see higher premiums.

Specialties involving heavy use of MRI and CT imaging will see particularly large reductions, prompting worry that some practices will close.

A survey of physician and nurse executives raises questions on how to implement zero-tolerance policies required by the Joint Commission.

The Chicago doctor will work on the International Space Station and conduct experiments inside space shuttle Atlantis during an 11-day mission.

Some doctors are concerned that the qualified recommendation from a CDC advisory panel could create insurance coverage problems.

CMS also completes a proposal to remove Part B drugs from the pay formula, but that would not affect rates until after 2010.