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MA insurers made nearly 53M prior authorization determinations in 2024

By KFF.org  
   January 29, 2026

Nearly 53 million prior authorization requests were submitted to Medicare Advantage insurers on behalf of Medicare Advantage enrollees in 2024, an increase from 2023 (49.8 million) as the number of people enrolled in Medicare Advantage has grown. Substantially fewer prior authorization requests for traditional Medicare than Medicare Advantage beneficiaries were submitted to CMS – just over 625,000 in fiscal year 2024. 

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