Includes enrollment in the territories and employer group plans. MA-PD enrollment includes Medicare Advantage HMOs, PPOs, private fee-for-service, and Medicare Savings Account plans, and other Medicare private plans (Medicare-Medicaid plans, Cost, and PACE) excluded.
Citation formats
Number of Medicare Part D enrollment in the U.S. 2024, by firm
In 2024, **** million of Medicare's Part D beneficiaries were insured through United Healthcare. Part D covers prescription drugs and must be separately enrolled for beneficiaries in traditional Medicare plans in the United States. This statistic illustrates the total number of Medicare Part D enrollment in 2023, by firm.
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Kaiser Family Foundation, & KFF. (July 2, 2024). Total number of Medicare Part D enrollment in the U.S. in 2024, by firm (in million) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved August 04, 2026, from /statistics/1402957/number-of-medicare-part-d-enrollment-by-firm-in-the-us/
Kaiser Family Foundation, und KFF. "Total number of Medicare Part D enrollment in the U.S. in 2024, by firm (in million)." Chart. July 2, 2024. ÌÇÐÄÆƽâ°æ. Accessed August 04, 2026. /statistics/1402957/number-of-medicare-part-d-enrollment-by-firm-in-the-us/
Kaiser Family Foundation, KFF. (2024). Total number of Medicare Part D enrollment in the U.S. in 2024, by firm (in million). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: August 04, 2026. /statistics/1402957/number-of-medicare-part-d-enrollment-by-firm-in-the-us/
Kaiser Family Foundation, and KFF. "Total Number of Medicare Part D Enrollment in The U.S. in 2024, by Firm (in Million)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 2 Jul 2024, /statistics/1402957/number-of-medicare-part-d-enrollment-by-firm-in-the-us/
Kaiser Family Foundation & KFF, Total number of Medicare Part D enrollment in the U.S. in 2024, by firm (in million) ÌÇÐÄÆƽâ°æ, /statistics/1402957/number-of-medicare-part-d-enrollment-by-firm-in-the-us/ (last visited August 04, 2026)
Total number of Medicare Part D enrollment in the U.S. in 2024, by firm (in million) [Graph], Kaiser Family Foundation, & KFF, July 2, 2024. [Online]. Available: /statistics/1402957/number-of-medicare-part-d-enrollment-by-firm-in-the-us/
