; and (B) at least one ambulatory care setting that is not owned or operated by a Hub operated by the hospital or critical access hospital. (5) Eligible partner (A) In general The term eligible partner means— (i) an applicable school of nursing that has an advanced practice registered nurse education program; (ii) an entity or practitioner that is a participating provider under this title or a State plan under title XIX (or a waiver of such plan); and (iii) any other entity determined appropriate by the Secretary. (B) Limitation An applicable school of nursing, entity, or practitioner described in subparagraph (A) may not participate as an eligible partner of more than one Hub under this section. (6) Qualified training (A) In general The term qualified training means training— (i) that provides an advanced practice registered nurse with the clinical skills necessary to provide primary care, behavioral health care, obstetric care, preventive care, transitional care, chronic care management, and other services appropriate for individuals entitled to, or enrolled for, benefits under part A, or enrolled under part B; and (ii) subject to subparagraph (B), at least a third of which is provided in an ambulatory care setting that is not owned or operated by a Hub. (B) Waiver of requirement for eligible hospitals located in rural or medically undeserved areas The Secretary may waive the requirement under subparagraph (A)(ii), or reduce the threshold otherwise applicable under such subparagraph, with respect to an eligible hospital that is located in a rural or medically underserved area. . (b) Exclusion of payments from calculation of fee-for-Service costs under Medicare Advantage Section 1853(c)(1)(D)(i) of the Social Security Act ( 42 U.S.C. 1395w–23(c)(1)(D)(i) ) is amended by striking and 1886(n) and 1886(h) and inserting 1886(n), 1886(h), and 1899C .