title: Sustainable Growth Rate Repealed, MACRA Revealed: Historical Context and Analysis of Recent Changes in Medicare Physician Payment Methodologies.
authors.affiliation: From the Department of Radiology (J.A.H., H.B.H., P.W.S.), Massachusetts General Hospital, Boston, Massachusetts Harvard Medical School (J.A.H., H.B.H., P.W.S.), Boston, Massachusetts.
authors.forename: J A
authors.identifier: http://orcid.org/0000-0002-9594-8798
authors.initials: JA
authors.lastname: Hirsch
authors.affiliation: From the Department of Radiology (J.A.H., H.B.H., P.W.S.), Massachusetts General Hospital, Boston, Massachusetts Harvard Medical School (J.A.H., H.B.H., P.W.S.), Boston, Massachusetts hbharvey@partners.org.
authors.forename: H B
authors.identifier: http://orcid.org/0000-0001-9550-1876
authors.initials: HB
authors.lastname: Harvey
authors.affiliation: Mecklenburg Radiology Associates P.A. (R.M.B.), Charlotte, North Carolina.
authors.forename: R M
authors.identifier: http://orcid.org/0000-0002-9214-9448
authors.initials: RM
authors.lastname: Barr
authors.affiliation: Norwich Diagnostic Imaging Associates (W.D.D.), Norwich, Connecticut.
authors.forename: W D
authors.identifier: http://orcid.org/0000-0002-2550-0445
authors.initials: WD
authors.lastname: Donovan
authors.affiliation: Department of Radiology and Imaging Sciences (R.D.), Emory University, Atlanta, Georgia Harvey L. Neiman Health Policy Institute (R.D.), Reston, Virginia.
authors.forename: R
authors.identifier: http://orcid.org/0000-0003-0425-3008
authors.initials: R
authors.lastname: Duszak
authors.affiliation: Hackensack University Medical Center (G.N.N.), Hackensack, New Jersey.
authors.forename: G N
authors.identifier: http://orcid.org/0000-0003-3959-2069
authors.initials: GN
authors.lastname: Nicola
authors.affiliation: From the Department of Radiology (J.A.H., H.B.H., P.W.S.), Massachusetts General Hospital, Boston, Massachusetts Harvard Medical School (J.A.H., H.B.H., P.W.S.), Boston, Massachusetts.
authors.forename: P W
authors.identifier: http://orcid.org/0000-0002-4222-6134
authors.initials: PW
authors.lastname: Schaefer
authors.affiliation: Pain Management Center of Paducah (L.M.), Paducah, Kentucky Department of Anesthesiology and Perioperative Medicine (L.M.), University of Louisville, Louisville, Kentucky.
authors.forename: L
authors.identifier: http://orcid.org/0000-0002-4201-9063
authors.initials: L
authors.lastname: Manchikanti