; and (II) physicians, nurses, stakeholder groups, and other individuals and representatives of public and private organizations with expertise in patient navigation. (3) Patient navigator services The term patient navigator service means a service that is a duty specified under paragraphs (1) through (6) of subsection (b) of section 340A of the Public Health Service Act and that is provided by a patient navigator through an eligible entity. . (b) Treatment as medical assistance for purposes of FMAP Section 1905(a) of the Social Security Act ( 42 U.S.C. 1396d(a) ) is amended— (1) in paragraph (28), by striking and at the end; (2) by redesignating paragraph (29) as paragraph (30); and (3) by inserting after paragraph (28) the following new paragraph: (29) patient navigator services (as defined in section 1902(nn)(3)) that are provided in a manner that meets the requirements of section 1902(a)(84); and . (c) Effective date (1) In general Subject to paragraph (2) , the amendments made by this section shall apply to patient navigator services provided after the first day of the first calendar year that begins after the date of enactment of this Act. (2) Exception for State legislation In the case of a State plan under title XIX of the Social Security Act, which the Secretary of Health and Human Services determines requires State legislation in order for the respective plan to meet any requirement imposed by amendments made by this Act, the respective plan shall not be regarded as failing to comply with the requirements of such title solely on the basis of its failure to meet such an additional requirement before the first day of the first calendar quarter beginning after the close of the first regular session of the State legislature that begins after the date of enactment of this Act. For purposes of the previous sentence, in the case of a State that has a 2-year legislative session, each year of the session shall be considered to be a separate regular session of the State legislature.