; or (II) who has been certified by a nationally recognized specialty board of certification or equivalent certification board in advanced cardiac life support and advanced trauma life support; (ii) a nurse practitioner who has been certified by a nationally recognized specialty board of certification or equivalent certification board in advanced cardiac life support and advanced trauma life support; or (iii) a physician assistant who has been certified by a nationally recognized specialty board of certification or equivalent certification board in advanced cardiac life support and advanced trauma life support. (F) With respect to any year in which the qualified group practice would participate in the Program, the Chief Actuary for the Centers for Medicare & Medicaid Services determines that such participation during such year will not result in total estimated expenditures under this title for such year being greater than total estimated expenditures under such title for such year without such participation. (d) Payments (1) In general For 2019 and each subsequent year, the Secretary shall develop a schedule of payments to apply for items and services identified under paragraph (3) or paragraph (4) of subsection (b) furnished during such year by a qualified group practice under the Program. Such payments shall be in lieu of any other payments that may be made under this title for such items and services furnished under the Program. (2) Shared savings In the case of a year for which the Secretary determines that a qualified group practice’s participation in the Program resulted in a reduction in expenditures under this title compared to what such expenditures would have been without such participation, the Secretary shall— (A) pay to such qualified group practice an amount equal to 37.5 percent of the estimated amount of such reduction