; and (iii) such other providers of services as the Secretary may specify. . (3) Payment to supervising radiologist The first sentence of section 1842(b)(6) of such Act ( 42 U.S.C. 1395u(b)(6) ) is amended— (A) by striking and before (J) ; and (B) by inserting before the period at the end the following: , and (K) in the case of services described in clause (iii) of section 1861(s)(2)(K) (relating to radiologist assistant services), payment shall be made to the supervising radiologist . (4) Rules of construction Nothing in this section, or the amendments made by this section, shall be construed as affecting— (A) coverage of and payment for the technical component (including the technical component of a global fee) with respect to imaging services under title XVIII of the Social Security Act ( 42 U.S.C. 1395 et seq.) as in effect before the date of the enactment of this Act; (B) the amount of payment made for physicians’ services under such title when furnished solely by a radiologist; or (C) the amount of payment made under such title for services furnished by a hospital, critical access hospital, ambulatory surgical center, or any other facility setting specified by the Secretary under section 1848(a)(10)(B)(iii) of the Social Security Act (as added by paragraph (3)), as the case may be. (c) Effective date The amendments made by this section shall apply to services furnished on or after January 1, 2020.