This issue of McDermott’s Healthcare Regulatory Check-Up highlights regulatory activity for November 2023. We discuss several US Department of Health and Human Services (HHS) agency actions, including the new General Compliance Program Guidance (GCPG), revisions to the Designated Health Services Code List and to the Hospital Outpatient Prospective Payment and Ambulatory Surgical Center Payment Systems Final Rule, changes to ownership disclosure requirements for skilled nursing facilities (SNFs) and nursing homes, and a No Surprises Act (NSA) consumer toolkit. We also discuss several criminal and civil enforcement actions that involve alleged violations of the False Claims Act (FCA) and the Anti-Kickback Statute (AKS).