Medicare Advantage Disclosure Requirement Changes

The Centers for Medicare & Medicaid Services (CMS) issued a final rule on September 19, amending regulations on Medicare Advantage (MA) disclosure requirements. Beginning in 2026, the rule finalizes a new requirement for MA provider directory data to be submitted to CMS for publication online in accordance with guidance from the agency. Additionally, MA organizations must update their provider directory data within 30 days of becoming aware of a change to the data, and they are required to annually attest to the accuracy of the MA provider directory information. This policy follows guidance issued by CMS in August 2025 addressing the addition of voluntarily reported MA provider directory information and the display of MA supplemental benefits in the Medicare Plan Finder tool.