The Centers for Medicare & Medicaid Services (CMS) requests that Medicare Administrative Contractors (MACs) utilize a 10.12 percent interest rate effective July 18, 2017 for Medicare overpayments and underpayments, according to quarterly updates to Medicare Regulation 42 CFR Section 405.378.
Subject: Notice of New Interest Rate for Medicare Overpayments and Underpayments -4th Qtr Notification for FY 2017
Release Date: July 11, 2017
Effective Date: July 18, 2017
Implementation Date: July 18, 2017
Special Notes: N/A