In United States v. Regeneron Pharmaceuticals, Inc., the First Circuit joined the emerging majority view that False Claims Act (FCA) claims based on violations of the Anti-Kickback Statute (AKS) require a showing of “but-for” causation.  As we previously reported, the Sixth Circuit and the Eighth Circuit have also held that the stricter “but-for” causation standard applies to AKS-based FCA claims.

Our 2025 edition of EnforceMintz reflects on health care enforcement trends, predicts how health care enforcement may evolve, and offers practical guidance about what these trends and predictions mean for health care providers, payors, and other stakeholders.

In 2024, federal courts issued significant False Claims Act decisions for the health care and life sciences industries. These decisions further develop the FCA scienter standard addressed by the Supreme Court in its 2023 SuperValu decision and reexamine the constitutionality of the FCA’s qui tam provisions. A circuit split on the interpretation of “causation” for FCA suits based on alleged violations of the Anti-Kickback Statute (AKS) has also emerged.

Government scrutiny of value-based care (VBC) health care delivery models is expected to increase as VBC adoption grows. In 2024, the DOJ announced a large FCA settlement with a VBC primary care practice, and HHS’s Office of Inspector General issued a Special Fraud Alert focusing on VBC business arrangements.

As opioid-related enforcement efforts continued across the opioid supply chain in 2024, the government pursued criminal charges in two matters that resulted in significant settlements. Additionally, a number of recent cases against pharmacies involve a common theory of liability based on the Controlled Substances Act, which served as the basis for civil liability under the False Claims Act.

On September 30, 2024, a federal district court judge held that the qui tam provisions of the False Claims Act (FCA) violate the Appointments Clause of Article II of the Constitution.  U.S. ex rel. Zafirov v. Fla. Med. Assocs., LLC, C.A. No. 8:19-cv-01236-KKM, 2024 U.S. Dist. LEXIS 176626 (M.D. Fla. Sept. 30, 2024) (“Zafirov”).  While Zafirov’s holding is novel, the constitutional issue raised in that decision is not.

In the past year, DOJ obtained some of its largest recoveries in cases where violations of the Stark Law, which bars physicians from profiting from self-referrals for certain services payable by Medicare or Medicaid, served as a predicate offense for FCA claims. These included cases against Community Health Network, Covenant Healthcare System, Cardiac Imaging, and Steward Health entities.

Several case dispositions from this past year, both criminal and civil, reaffirm DOJ’s policy of ensuring individual accountability in resolving allegations of wrongdoing and underscore the importance of considering that issue in the resolution of any FCA case.

In 2023, the Supreme Court and the US Courts of Appeals published a number of significant decisions involving FCA issues with implications for health care and life science entities, including a deepening circuit split on the causation standard applicable to FCA cases based on theories under the Anti-Kickback Statute.

Despite the DOJ Criminal Division’s January 2023 revisions to its Corporate Enforcement Policy defining the criteria for declining to prosecute a criminal case, based on the two case examples from this past year, it is unclear how often the DOJ will actually put that policy into practice and decline or defer prosecution.