The Department of Justice announced criminal charges against 10 individuals in Southern California for their roles in extensive healthcare fraud schemes targeting government-funded programs like Medi-Cal and Medicare. These cases formed a part of a national enforcement campaign involving hundreds of defendants accused of defrauding taxpayers of billions of dollars.

Among the Southern California defendants, five arrests were made within the Los Angeles area in connection with a scheme that involved submitting nearly $270 million in fraudulent Medi-Cal claims linked to expensive prescription drugs. Authorities say these claims often involved medically unnecessary drugs or medications never actually delivered to patients. One of the defendants, identified as Christina Mareik, allegedly played a key role in orchestrating these fraudulent prescriptions, leading to government payouts exceeding $178 million.

This enforcement action is part of the Justice Department’s “2026 National Health Care Fraud Takedown,” a coordinated federal and state effort across 45 states. In total, prosecutors charged 455 individuals, accusing them of orchestrating schemes that siphoned more than $6.5 billion from Medicare and Medicaid. The sizable fraud ring included various scams such as fraudulent wound care claims and improper prescribing of controlled substances.

Federal officials described the initiative as the largest healthcare fraud crackdown in U.S. history. Acting Attorney General Todd Blanche emphasized that authorities are committed to protecting taxpayer dollars and warned fraudsters that those who abuse government programs would face aggressive prosecution. He highlighted that seized assets—including luxury homes and expensive vehicles like a $135,000 Maserati—are part of the government's effort to recoup stolen funds.

In Southern California, aside from the Medi-Cal prescription drug fraud, other charges include allegations of Medicare fraud schemes amounting to approximately $27 million. Some defendants also face accusations related to abusing medical professional privileges to illegally prescribe controlled substances.

This nationwide takedown represents a broad, multi-agency crackdown involving federal and state investigators working to dismantle complex fraud networks threatening the integrity of public healthcare programs.