CMS is appealing a federal judge’s decision to strike down a 2014 rule that established a strict definition of overpayments in Medicare Advantage and required MA plans to return those overpayments to CMS. The agency filed the appeal on Tuesday (Nov. 13) with the U.S. Court of Appeals for the D.C. Circuit, and arguments are expected in the coming months. CMS enacted the 2014 overpayment rule after the Affordable Care Act required MA plans to report and return any overpayments...