Kaiser Permanente Settles $556M False Claims Act Case Related to Medicare Advantage

On January 14, 2026, Kaiser Permanente reached a settlement with the U.S. Department of Justice, agreeing to pay $556 million over allegations of violating the False Claims Act. The case involved submitting inaccurate diagnosis codes for Medicare Advantage beneficiaries. This settlement is a significant part of the DOJ's investigation into Medicare Advantage billing practices and emphasizes the federal government's focus on addressing risk-adjustment fraud.

The DOJ accused Kaiser of enhancing risk-adjusted payments by submitting incorrect diagnosis codes for Medicare Part C enrollees. Kaiser's retrospective chart reviews allegedly prioritized revenue-generating codes without ensuring corrections to unsupported diagnoses. Although Kaiser did not admit liability, the settlement is the largest FCA resolution related to Medicare Advantage risk adjustment.

This case is a cautionary tale for healthcare providers in Medicare Advantage networks. It highlights potential discrepancies when organizations increase risk scores but deny or reduce payments based on documentation or medical necessity issues. The settlement comes during a period of heightened activity under the False Claims Act. In fiscal year 2025 alone, the DOJ reported over $6.8 billion in settlements, largely from healthcare-related matters, particularly concerning Medicare Advantage risk adjustment.

Simultaneously, the DOJ is pursuing litigation against major Medicare Advantage entities like UnitedHealthcare. These cases revolve around chart reviews, in-home assessments, and coding practices. Additionally, the U.S. Department of Health and Human Services Office of Inspector General views the False Claims Act as critical for addressing risk-adjustment fraud. It has issued guidance to the Medicare Advantage sector, signaling ongoing regulatory attention on coding and risk-score practices.

Medicare Advantage plans undergo rigorous examination regarding their use of provider data for revenue enhancement, which may affect provider payments. Providers face vulnerabilities, especially when plans or associated vendors optimize coding without aligning with clinical documentation. The resolution with Kaiser underscores that risk-adjustment practices remain a major enforcement focus and highlights the need for providers to manage coding efforts and disputes proactively with Medicare Advantage plans.