2026 Medicare Advantage landscape: what CMS posted
CMS public files for contract year 2026 list 5,556 individual Medicare Advantage plan segments across 3,137 counties — 129,245 county-plan filings, 70,527 of them at a $0 consolidated premium. A filing is one plan segment available in one county; one plan segment is usually filed in many counties. The 2025 files listed 132,040 filings and 70,304 at $0 (change: -2,795 filings, +223 at $0). Source: CMS files listed in the source ledger; site build October 01, 2026. Browse by state.