title: Discretionary Interpretations of Accountable Care Organization Data-Reply.
authors.affiliation: Department of Health Care Policy, Harvard Medical School, Boston, Massachusetts.
authors.forename: Aaron L
authors.initials: AL
authors.lastname: Schwartz
authors.affiliation: Department of Health Care Policy, Harvard Medical School, Boston, Massachusetts.
authors.forename: Bruce E
authors.initials: BE
authors.lastname: Landon
authors.affiliation: Department of Health Care Policy, Harvard Medical School, Boston, Massachusetts.
authors.forename: J Michael
authors.initials: JM
authors.lastname: McWilliams
mesh_terms: D060866:Accountable Care Organizations; D018588:Fee-for-Service Plans; D005260:Female; D006801:Humans; D008297:Male; D006278:Medicare / Q000191:economics*; D058991:Patient Protection and Affordable Care Act