This issue of McDermott’s Healthcare Regulatory Check-Up highlights regulatory activity for December 2024. We discuss several civil and criminal enforcement actions pertaining to healthcare fraud and abuse authorities, including alleged violations under the False Claims Act (FCA), federal Anti-Kickback Statute (AKS), and Physician Self-Referral Law (Stark Law). We also discuss several Centers for Medicare & Medicaid Services (CMS) and other US Department of Health and Human Services (HHS) actions and review new advisory opinions and a proposed rule issued by the HHS Office of Inspector General (OIG).