Federal and California officials announced separate healthcare fraud crackdowns on Thursday, with federal prosecutors charging 15 people in cases alleging more than $2 billion in losses and state Attorney General Rob Bonta (D) announcing charges and arrests against 103 providers accused of defrauding Medi-Cal, the state’s version of Medicaid, of more than $4.5 million.

Justice Department officials said at a press conference Thursday in Los Angeles that 10 of the 15 federal defendants were in custody, including eight arrested Thursday and two apprehended last week. The cases involve sham substance abuse treatment, unnecessary artery procedures, hospice services, genetic testing, and prescription drugs.

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