SECTION 1. EXPANDING SUPPLEMENTAL BENEFITS TO MEET THE NEEDS OF 
              CHRONICALLY ILL MEDICARE ADVANTAGE ENROLLEES.

    (a) In General.--Section 1852(a)(3) of the Social Security Act (42 
U.S.C. 1395w-22(a)(3)) is amended--
            (1) in subparagraph (A), by striking ``Each'' and inserting 
        ``Subject to subparagraph (D), each''; and
            (2) by adding at the end the following new subparagraph:
                    ``(D) Expanding supplemental benefits to meet the 
                needs of chronically ill enrollees.--
                            ``(i) In general.--For plan year 2020 and 
                        subsequent plan years, in addition to any 
                        supplemental health care benefits otherwise 
                        provided under this paragraph, an MA plan may 
                        provide supplemental benefits described in 
                        clause (ii) to a chronically ill enrollee (as 
                        defined in clause (iii)).
                            ``(ii) Supplemental benefits described.--
                                    ``(I) In general.--Supplemental 
                                benefits described in this clause are 
                                supplemental benefits that, with 
                                respect to a chronically ill enrollee, 
                                have a reasonable expectation of 
                                improving or maintaining the health or 
                                overall function of the chronically ill 
                                enrollee and may not be limited to 
                                being primarily health related 
                                benefits.
                                    ``(II) Authority to waive 
                                uniformity requirements.--The Secretary 
                                may, only with respect to supplemental 
                                benefits provided to a chronically ill 
                                enrollee under this subparagraph, waive 
                                the uniformity requirement under 
                                subsection (d)(1)(A), as determined 
                                appropriate by the Secretary.
                            ``(iii) Chronically ill enrollee defined.--
                        In this subparagraph, the term `chronically ill 
                        enrollee' means an enrollee in an MA plan that 
                        the Secretary determines--
                                    ``(I) has one or more comorbid and 
                                medically complex chronic conditions 
                                that is life threatening or 
                                significantly limits the overall health 
                                or function of the enrollee;
                                    ``(II) has a high risk of 
                                hospitalization or other adverse health 
                                outcomes; or
                                    ``(III) requires intensive care 
                                coordination.''.
    (b) GAO Study and Report.--
            (1) Study.--The Comptroller General of the United States 
        (in this subsection referred to as the ``Comptroller General'') 
        shall conduct a study on supplemental benefits provided to 
        enrollees in Medicare Advantage plans under part C of title 
        XVIII of the Social Security Act. Such study shall include an 
        analysis of the following:
                    (A) The type of supplemental benefits provided to 
                such enrollees, the total number of enrollees receiving 
                each supplemental benefit, and whether the supplemental 
                benefit is covered by the standard benchmark cost of 
                the benefit or with an additional premium.
                    (B) The frequency in which supplemental benefits 
                are utilized by such enrollees.
                    (C) The impact supplemental benefits have on--
                            (i) indicators of the quality of care 
                        received by such enrollees, including overall 
                        health and function of the enrollees;
                            (ii) the utilization of items and services 
                        for which benefits are available under the 
                        original Medicare fee-for-service program 
                        option under parts A and B of such title XVIII 
                        by such enrollees; and
                            (iii) the amount of the bids submitted by 
                        Medicare Advantage Organizations for Medicare 
                        Advantage plans under such part C.
            (2) Report.--Not later than 5 years after the date of the 
        enactment of this Act, the Comptroller General shall submit to 
        Congress a report containing the results of the study conducted 
        under paragraph (1), together with recommendations for such 
        legislation and administrative action as the Comptroller 
        General determines appropriate.
This bill allows a Medicare Advantage (MA) plan to provide certain supplemental benefits to chronically ill enrollees beginning in plan year 2020. The Government Accountability Office must report to Congress on the provision of such supplemental benefits to MA enrollees.
To amend title XVIII of the Social Security Act to expand supplemental benefits to meet the needs of chronically ill Medicare Advantage enrollees under the Medicare program, and for other purposes.