Astellas Pharma — Medicare Part D spending
Rank #17 by attributed Part D spend · 9 tracked drugs · CMS data year 2023
About $5,213,902,466 of Medicare Part D spending in 2023 is attributed to Astellas Pharma across the 9 of its drugs tracked here, ranking it #17 among manufacturers on this site. Its biggest Part D drug is Xtandi at $2,601,510,278. Attribution uses the CMS manufacturer lists and is indicative, not definitive. These are aggregate program figures, not the price you pay.
Source: CMS Medicare Part D Spending by Drug (data year 2023). Data as of June 2026.
Astellas Pharma drugs in Medicare Part D (2023)
| Brand | Generic | Total spend | Per dosage unit | Beneficiaries | Spend rank |
|---|---|---|---|---|---|
| <a href="/drug/xtandi-enzalutamide/">Xtandi</a> | Enzalutamide | $2,601,510,278 | $146.13 | 28,658 | #15 |
| <a href="/drug/myrbetriq-mirabegron/">Myrbetriq</a> | Mirabegron | $2,510,288,600 | $15.43 | 769,978 | #16 |
| Xospata | Gilteritinib Fumarate | $89,759,419 | $310.82 | 924 | #430 |
| Vesicare | Solifenacin Succinate | $5,708,787 | $12.93 | 1,826 | #1454 |
| Veozah | Fezolinetant | $4,494,558 | $19.21 | 2,837 | #1537 |
| Ambisome | Amphotericin B Liposome | $1,411,630 | $235.79 | 144 | #1965 |
| Astagraf XL | Tacrolimus | $448,011 | $9.23 | 109 | #2394 |
| Mycamine | Micafungin Sodium | $249,490 | $13.66 | 92 | #2567 |
| Vesicare Ls | Solifenacin Succinate | $31,693 | $1.83 | 32 | #3077 |
Source: CMS Medicare Part D Spending by Drug (data year 2023). Data as of June 2026.
Frequently asked questions
How much Medicare Part D spending does Astellas Pharma get?
In 2023, about $5,213,902,466 of Medicare Part D spending is attributed to Astellas Pharma across the 9 of its drugs tracked here. Its biggest is Xtandi at $2,601,510,278. This is gross program spending, not what patients pay. Source: CMS, data year 2023.
What is Astellas Pharma's top Medicare Part D drug?
Among the drugs tracked here, Astellas Pharma's highest Part D spending in 2023 is Xtandi at $2,601,510,278 (national rank #15 by total spend).
Is manufacturer attribution exact?
No. CMS may list multiple manufacturers per drug, and labeler relationships change over time. We attribute each drug to its primary listed manufacturer, so these rollups are indicative rather than definitive. Always check the underlying CMS file for a specific drug.
Keep exploring
Data: CMS Medicare Part D Spending by Drug (data year 2023), U.S. public domain. Aggregate program spending, not prices. Data as of June 2026. See our methodology and disclaimer.
Last updated: 2026-06-21