Medicare Advantage plan reconsideration filing window
Enrollee-side appeal of a Medicare Advantage adverse organization determination for an item or service; a physician may act as the official source permits. Not an independent provider reimbursement/contract dispute, an Original Medicare MAC appeal, Part D drug appeal, grievance, hospital discharge appeal or IRE filing. Expedited clinical qualification and a late-filing extension are not determined here.
Source verification required. Timing and submission guidance are withheld because the source changed, expired or monitoring is unavailable. Check the official source and actual notice.
Official source — CMS public summary: 65-day notice-date description; read with receipt-qualified 422.582 · checked 2026-10-15
CMS summary read together with the October15,2026 regulatory snapshot. Contrary receipt evidence, actual notice and late-filing assessment remain separate; source review required by October22,2026. No historical rule reconstruction.