The U.S. Department of Justice has made headlines with an unprecedented crackdown on healthcare fraud, marking the largest takedown in American history. Authorities have charged 455 individuals across 45 states for allegedly embezzling $6.5 billion from Medicare and Medicaid. The fraudulent activities included schemes related to wound care among others. The ill-gotten gains were used for extravagant purchases such as luxury homes and cars, including a $135,000 Maserati.
Federal authorities took action on Tuesday against ten defendants in Southern California accused of being part of a series of fraudulent healthcare schemes. One case involves fraudulent Medi-Cal claims amounting to nearly $270 million, and another allegedly siphoned approximately $27 million from Medicare. These lawsuits are a segment of the Justice Department’s wider initiative known as the ‘2026 National Health Care Fraud Takedown.’ This operation has charged 455 defendants nationwide for fraud totaling more than $6.5 billion.
According to Acting Attorney General Todd Blanche, the operation represents the most significant combined federal and state initiative against healthcare fraud in history. ‘Fraudsters can no longer rip off American taxpayers,’ Blanche asserted during a news conference announcing the initiative. ‘If you seek to harm or cheat Americans, we will find you, seize any assets, and prosecute you to the fullest extent of the law.’
In the Central District of California, prosecutors have charged ten defendants accused of abusing government-funded healthcare programs. These individuals allegedly used their positions to unlawfully prescribe controlled substances. The U.S. Attorney’s Office for the Central District of California revealed that five arrests occurred in the greater Los Angeles area in relation to a scheme that involved nearly $270 million in fraudulent claims submitted to Medi-Cal for expensive prescription drugs.
The case highlights the scale of fraud within government-funded healthcare systems.
Among those charged is Christina Mareik, also known as Christina Marie Sanchez Hernandez, accused of facilitating fraudulent prescriptions which generated nearly $270 million in claims to Medi-Cal. Prosecutors have stated that the claimed prescriptions involved costly drugs composed of inexpensive generic ingredients that were either deemed medically unnecessary or never provided to the alleged recipients.
Mareik allegedly sent thousands of fraudulent prescriptions to an accomplice and submitted false prescriptions under her own name. She was arrested on June 17 on charges related to healthcare fraud.
Additionally, prosecutors have charged individuals including Oren David Shachar, Abraham Shin, and Jeannie Choi, all accused in schemes defrauding Medicare and Medi-Cal of substantial amounts. A man from San Fernando Valley is specifically charged with operating hospice care companies that falsely billed Medicare around $27 million.
The indictment against these defendants includes 16 counts of conspiracy to commit healthcare fraud, healthcare fraud, aggravated identity theft, monetary transactions of criminally derived property exceeding $10,000, and breaches of the Anti-Kickback Statute.