Medicare Advantage Supplemental Benefits Transparency Act

S 3573, the Medicare Advantage Supplemental Benefits Transparency Act, requires Medicare Advantage plan providers to collect and report detailed, individual-level data on supplemental benefits (like dental or vision coverage) starting in 2027. This data includes eligibility rules, benefit categories, utilization rates, and costs per enrollee, which the government will make publicly available two years later through a de-identified online data file. The bill directly affects Medicare Advantage organizations (which sell these supplemental plans) and beneficiaries, who can use the data to better understand their coverage options. The law also allocates $15 million in fiscal year 2024 to implement these reporting requirements, while ensuring privacy protections for enrollee information.