Deadline for all MA and Part D plans to submit in HPMS (1) CY2027 bids and formulary files and (2) contract non-renewals and service area reductions for CY2027.
Early June - Late August 2026 | Key Medicare Advantage dates
Completion of CMS’s CY2027 bid review and approval, to include pricing, PBPs, and formularies. Deadline for MAOs/Part D sponsors to submit attestations, contracts, initial actuarial certifications, and final actuarial certifications.
June 2026 | Key Medicare Advantage dates
MA organizations with D-SNP look-alike plans notify CMS of their transitions via HPMS.
June 2026 | Key Medicare Advantage dates
CMS begins triennial provider network adequacy reviews for active MA plans, including D-SNPs.
June 2-3, 2026 | Key Medicare Advantage dates
Initial submission period for MA organizations to request crosswalk exceptions for CY2027.