January 7, 2024
Prompt Payment Interest Rate: January – June 2025
CGS must pay interest on clean claims not subject to the periodic interim payment (PIP) mechanism if payment isn't made within 30 days after the receipt date. The Treasury Department determines the interest rate on a 6-month basis, effective every January and July 1.
The prompt payment interest rate (PPIR) for January 1 – June 30, 2025, is 4.625%.
Current and past interest rates are available on the Treasury Department website.
Reference: CMS Medicare Claims Processing Manual (Pub 100-04), chapter 1, §80.2.2