by Jasmine Demers, Arizona Center for Investigative Reporting

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Two years after Arizona officials revealed a $2.5 billion Medicaid fraud scheme that targeted Native Americans seeking treatment for addictions, the state has recovered just a fraction of the taxpayer funds lost to fraud.

The Arizona attorney general’s office is leading the criminal investigation into the network of behavioral health providers and sober living homes that from 2019 to 2023 exploited the American Indian Health Program to obtain inflated Medicaid payments. Investigators found fraudulent operators didn’t provide the services they’d billed for and sometimes allowed patients to continue the substance use for which they had sought treatment.

The state has so far indicted more than 100 individuals and recouped $125 million — or about 5% of the funds the state estimates it paid to bad actors.

Attorney General Kris Mayes said in a May 1 press conference that she hopes to retrieve “at least hundreds of millions” from fraudsters. But she warned that “it’s hard, because what happens is these … criminals get the money, they buy lavish homes, they buy multiple expensive cars, they hide the money offshore, they spend the money in ways that is unrecoverable.”

“My team is working day in and day out to seize those assets,” Mayes said.

The Arizona Health Care Cost Containment System struggled to rein in the rampant fraud under two governors, leaving more than 11,000 people vulnerable to the chaos that followed. Prior reporting by the Arizona Center for Investigative Reporting and ProPublica found that

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