Medicare Part B drugs are paid based on the Average Sales Price (ASP) plus 6%. These files contain the official payment limits and crosswalks.
Jan 2026 ASP File
Oct 2025 ASP File
July 2025 ASP File
April 2025 ASP File
Jan 2025 ASP File
Oct 2024 ASP File
July 2024 ASP File
April 2024 ASP File
Jan 2024 ASP File
Note: Files are typically updated by CMS 2-3 weeks before the start of the quarter.