; (B) in subparagraph (HH), by striking the period at the end and adding ; and ; and (C) by adding at the end the following new subparagraph: (II) specified critical care services (as defined in subsection (kkk)) furnished during the period beginning on the date of the enactment of this subparagraph and ending on the last day of the emergency period described in section 1135(g)(1)(B) to an inpatient of a hospital or a critical access hospital; . (2) Specified critical care services defined Section 1861 of the Social Security Act ( 42 U.S.C. 1395x ) is amended by adding at the end the following new subsection: (kkk) Specified critical care services (1) In general The term specified critical care services means— (A) physicians’ services not separately payable under part B as of the day before the date of the enactment of this subsection which the Secretary determines are necessary for the treatment of individuals with COVID–19; and (B) physicians’ services furnished by a physician or practitioner (as defined in section 1842(b)(18)(C)), in conjunction with a physician or practitioner that is otherwise billing for such services under such part, to an individual for the treatment of COVID–19 that the Secretary determines need to be furnished by more than 1 physician or practitioner. (2) Limitation on multiple billings The Secretary may establish such limits as the Secretary determines appropriate with respect to the number of physicians and practitioners who may bill for a service described in paragraph (1)(B). . (3) Payment; cost sharing (A) In general Section 1833(a)(1) of the Social Security Act ( 42 U.S.C. 1395l(a)(1) ) is amended— (i) by striking and before (DD)