In 2023, Medicare Advantage (MA) health insurance firm Centene had the highest denial rate at **** percent, followed by CVS and Kaiser Permanente. This statistic illustrates the share of denial rates of selected MA insurers in the United States in 2023.
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KFF. (January 24, 2025). Share of prior authorization denial rates among selected Medicare Advantage (MA) firms in the U.S. in 2023 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved August 03, 2026, from /statistics/1609629/denial-rate-of-medicare-advantage-firms-us/
KFF. "Share of prior authorization denial rates among selected Medicare Advantage (MA) firms in the U.S. in 2023." Chart. January 24, 2025. ÌÇÐÄÆƽâ°æ. Accessed August 03, 2026. /statistics/1609629/denial-rate-of-medicare-advantage-firms-us/
KFF. (2025). Share of prior authorization denial rates among selected Medicare Advantage (MA) firms in the U.S. in 2023. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: August 03, 2026. /statistics/1609629/denial-rate-of-medicare-advantage-firms-us/
KFF. "Share of Prior Authorization Denial Rates among Selected Medicare Advantage (Ma) Firms in The U.S. in 2023." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 24 Jan 2025, /statistics/1609629/denial-rate-of-medicare-advantage-firms-us/
KFF, Share of prior authorization denial rates among selected Medicare Advantage (MA) firms in the U.S. in 2023 ÌÇÐÄÆƽâ°æ, /statistics/1609629/denial-rate-of-medicare-advantage-firms-us/ (last visited August 03, 2026)
Share of prior authorization denial rates among selected Medicare Advantage (MA) firms in the U.S. in 2023 [Graph], KFF, January 24, 2025. [Online]. Available: /statistics/1609629/denial-rate-of-medicare-advantage-firms-us/
