title: New ACO rule offers participants more choice.
authors.forename: Sara D
authors.initials: SD
authors.lastname: Brown
mesh_terms: D060866:Accountable Care Organizations / Q000191:economics*; D014487:Centers for Medicare and Medicaid Services, U.S.; D002755:Choice Behavior; D006123:Group Practice / Q000191:economics; D016134:Organizational Policy; D014481:United States