“…Despite years of attention from researchers and MedPAC, D-SNP look-alike plans had enrolled hundreds of thousands of beneficiaries during more than a decade before CMS implemented a rule that went into effect in 2023 to phase them out. 5 As MA continues its growth and solidifies as the dominant form of coverage for Medicare beneficiaries, market forces are leading to the proliferation of MA plans targeting specific groups of individuals according to cultural, sexual orientation, race, ethnicity, and veteran status. Although these MA affinity plans may offer potential benefits to beneficiaries, policymakers can ensure the plans improve care rather than compromise health gains for vulnerable beneficiaries.…”