The Bottom Line As of September 9, 2026, CMS has opened the second plan preview of 2027 Medicare Parts C and D Star Ratings data in HPMS. Unlike the first preview, this release includes revised measure data, preliminary measure, domain, summary, and overall Star Rating assignments, applicable scaled reductions for Part C appeals measures, and […] The post CMS Second Plan Preview of 2027 Star Ratings Data appeared first on MHK .