Key Upcoming Dates

Mid-September, 2026 | Key Medicare Advantage dates
All CY2027 MA and PDP contracts fully executed (signed) by both Part C/Part D plan sponsors and CMS.
September 30, 2026 | Key Medicare Advantage dates
Deadline for all MA organizations (including D-SNPs) to send the standardized ANOC to enrollees. Plans that have Part D cost sharing must also send the Low Income Subsidy (LIS) rider to enrollees by this date.
Early-Mid October 2026 | Key Medicare Advantage dates
MA and Part D plan Star Ratings released on Medicare.gov.
Early-Mid October 2026 | Key Medicare Advantage dates
MA organizations of D-SNP look-alikes submit any approved POVER transactions.
Early-Mid October 2026 | Key Medicare Advantage dates
Plans submit MARx transactions for approved crosswalk exceptions (in accordance with the guidance provided in the End-of-Year Enrollment and Payment Systems Processing Information HPMS memo).