The Department of Justice has announced a massive healthcare fraud takedown across the United States, marking the largest operation of its kind in U.S. history. A total of 455 defendants in 45 states face charges for allegedly embezzling $6.5 billion from Medicare and Medicaid. The fraud involved schemes such as wound care fraud and other deceitful claims. Illegitimate funds funded lavish lifestyles, including luxury homes and high-end vehicles like a $135,000 Maserati.
The initiative, called the ‘2026 National Health Care Fraud Takedown,’ reflects significant efforts by federal and state authorities to combat healthcare fraud. Acting Attorney General Todd Blanche emphasized the seriousness of the operation, describing it as ‘the greatest combined federal and state effort in combating healthcare fraud in history.’ Blanche declared that those intent on defrauding American taxpayers would face strict prosecution.
Among the national cases, federal authorities charged 10 individuals in Southern California. The charges include a substantial case involving about $270 million in fraudulent Medi-Cal claims, alongside a separate case where Medicare was deceived of approximately $27 million. The Central District of California saw 10 defendants face criminal charges related to misleading government healthcare programs or wrongly prescribing controlled substances.
One key suspect, Christina Mareik, also known as Christina Marie Sanchez Hernandez, allegedly played a major role. Mareik reportedly facilitated fraudulent prescriptions, leading to $270 million in claims to Medi-Cal, with $178 million paid out unlawfully. These claims involved costly prescription drugs, either using low-cost generics or being unnecessary, possibly never even supplied to the listed recipients.
Besides Mareik, other notable defendants include Oren David Shachar, Abraham Shin, and Jeannie Choi, who allegedly worked together to defraud Medicare of roughly $27 million. Their indictment lists 16 counts, including conspiracy, healthcare fraud, identity theft, and violations of the Anti-Kickback Statute.
The Justice Department’s actions signify a critical crackdown on healthcare fraud, showcasing the substantial resources committed to protecting American taxpayers from fraudulent schemes.