; and (II) not use nonphysician professional wage data as a proxy for physician wage data. (iii) Practice expense calculation In calculating index values under clause (i) of subparagraph (A), the Secretary shall use the most recent office rent data available or data from Federally qualified health centers (as defined in section 1861(aa)(4)) expense reports. . 2. Floor for work and practice expense geographic indices for services furnished in Wisconsin and Iowa (a) Work geographic index Section 1848(e)(1)(E) of the Social Security Act ( 42 U.S.C. 1395w–4(e)(1)(D) ) is amended to read as follows: (E) Floor at 1.0 on work geographic index (i) For 2004 through 2017 After calculating the work geographic index in subparagraph (A)(iii), for purposes of payment for services furnished on or after January 1, 2004, and before January 1, 2018, the Secretary shall increase the work geographic index to 1.00 for any locality for which such work geographic index is less than 1.00. (ii) For 2018 and subsequent years After calculating the work geographic index in subparagraph (A)(iii), for purposes of payment for services furnished in Wisconsin or Iowa on or after January 1, 2018, the Secretary shall increase any such index to 1.00 if such index would otherwise be less than 1.00. . (b) Practice expense geographic indices Section 1848(e)(1) of the Social Security Act ( 42 U.S.C. 1395w–4(e)(1) ) is amended— (1) in subparagraph (A), by striking (B), (C), (E), (G), (H), and (I) and inserting (B), (C), (E), (G), (H), (I), and (J) ; and (2) by adding at the end the following new subparagraph: (J) Floor for practice expense geographic indices for services furnished in Wisconsin or Iowa For purposes of payment for services furnished in Wisconsin or Iowa on or after January 1, 2018, after calculating the practice expense index in subparagraph (A)(i), the Secretary shall increase any such index to 1.00 if such index would otherwise be less than 1.00. .