title: Impact to health systems unclear after OPPS, Part B payment changes.
authors.forename: Donna
authors.initials: D
authors.lastname: Young
mesh_terms: D033161:Government Regulation; D018166:Health Care Reform / Q000331:legislation & jurisprudence; D006801:Humans; D016345:Medicare Part B / Q000191:economics / Q000639:trends*; D011445:Prospective Payment System / Q000191:economics* / Q000331:legislation & jurisprudence / Q000639:trends*