The Bottom Line Up Front CMS’s CY 2027 guidance changes enrollment, disenrollment, election periods, eligibility, passive enrollment, notices, and website access requirements across Medicare Advantage, Part D, MMP, PACE, and related organizations. Plans should treat the January 1, 2027, effective date as an enterprise-wide readiness effort. One immediate priority is CMS’s correction on September 21, […] The post CMS Releases CY 2027 Medicare Advantage and Part D Enrollment and Disenrollment Guidance appeared first on MHK .