; or (II) have a low prevalence in the general population of beneficiaries under this title or a disproportionally high per-beneficiary cost under this title. (B) GAO Study on Health Outcomes of Individuals Enrolled in Specialized MA plans Not later than the date that is 3 years after the date of the enactment of this paragraph, the Comptroller General of the United States shall conduct a study and submit to Congress a report on the extent to which health outcomes can be compared across specialized MA plans for special needs individuals (as defined in section 1859(b)(6)) and other Medicare Advantage plans under this part across similar populations, using existing measures and that identifies any potential limitations where new measures may need to be developed for such population. . (d) Quality measurement at the plan level for SNPs and determination of feasability of quality measurement at the plan level for all MA plans Section 1853(o) of the Social Security Act ( 42 U.S.C. 1395w–23(o) ) is amended by adding at the end the following new paragraphs: (6) Quality measurement at the plan level for SNPs (A) In general Subject to subparagraph (B), the Secretary may require reporting of data under section 1852(e) for, and apply under this subsection, quality measures at the plan level for specialized MA plans for special needs individuals instead of at the contract level. (B) Considerations Prior to applying quality measurement at the plan level under this paragraph, the Secretary shall— (i) take into consideration the minimum number of enrollees in a specialized MA plan for special needs individuals in order to determine if a statistically significant or valid measurement of quality at the plan level is possible under this paragraph; (ii) if quality measures are reported at the plan level, ensure that MA plans are not required to provide duplicative information