Fewest requests, hardest reversals.
Across Medicare Advantage in 2024, Kaiser required the fewest prior authorizations per enrollee (0.6), saw the smallest share of denials appealed (1.6%), and overturned the smallest share of appeals (51.0%) of any major insurer.
Source · KFF analysis of CMS Medicare Advantage data (2024)
- Published
- Jan. 28, 2026
- Capture note
- Insurer-reported to CMS; unaudited.
- Public lineage
- Original source linked below. A public immutable archive and provenance ID are not yet published.