Do Medicare Advantage plans with high medication adherence rates do well on Medicare Advantage Star ratings?
The answer is ‘yes’ according to a paper by Borrelli et al. (2025). The authors use annual Medicare Star Rating health plan performance for Medicare Advantage-Part D (MAPD) plans over the past decade (2015 to 2024). They find that: For plans achieving at least 4 stars on the medication adherence measures, 70%-74% of them also…