; (ii) include information regarding such cost-sharing protections in the provider directory of each network-based plan offered by the MA organization.; and (iii) notify enrollees of their cost-sharing protections under this paragraph in an explanation of benefits. . (2) Required provider directory accuracy analysis and reports (A) In general Section 1857(e) of the Social Security Act ( 42 U.S.C. 1395w–27(e) ) is amended by adding at the end the following new paragraph: (6) Provider directory accuracy analysis and reports (A) In general Beginning with plan years beginning on or after January 1, 2026, subject to subparagraph (C), a contract under this section with an MA organization shall require the organization, for each network-based plan (as defined in section 1852(c)(3)(C)) offered by the organization, to annually— (i) conduct an analysis estimating the accuracy of the provider directory of such plan using a sample of providers included in such provider directory (including provider specialties with high inaccuracy rates of provider directory information, such as providers specializing in mental health or substance use disorder treatment, as determined by the Secretary); and (ii) submit a report to the Secretary containing the results of such analysis, including an accuracy score for such provider directory (as determined using a methodology specified by the Secretary under subparagraph (B)(i)), and other information required by the Secretary. (B) Determination of accuracy score (i) In general The Secretary shall specify methodologies for MA plans to use in estimating the accuracy of the provider directory information of such plans and determining the accuracy score for the plan's provider directory. (ii) Considerations In carrying out clause (i), the Secretary shall take into consideration— (I) data sources maintained by MA organizations; (II) publicly available data sets; (III) the administrative burden on plans and providers