Phoenix

Arizona Attorney General Kris Mayes Joins Lawsuit to Protect Health Data from DHS Overreach

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Published on July 07, 2025
Arizona Attorney General Kris Mayes Joins Lawsuit to Protect Health Data from DHS OverreachSource: Wikipedia/Gage Skidmore from Surprise, AZ, United States of America, Please attribute to Gage Skidmore if used elsewhere., CC BY-SA 2.0, via Wikimedia Commons

Arizona Attorney General Kris Mayes has continued her legal offensive against President Donald Trump's administration, this time targeting the protection of personal health information. As reported by KTAR News, Mayes announced on Tuesday that Arizona has joined a lawsuit to halt the Department of Homeland Security (DHS) from obtaining health data from the Department of Health and Human Services, fearing such information could be used for mass deportations and violate privacy rights assured under Medicaid.

This move makes it the twentieth lawsuit Mayes has initiated against the Trump administration, including actions over birthright citizenship, federal fund freezes, and Elon Musk's unique relationship with the government as outlined by Phoenix New Times, the bedrock of these legal challenges is the accusation that the administration is flouting constitutional safeguards and established laws, including the recent transfer of personal health records to federal immigration authorities, a move Mayes described as "unacceptable."

In a statement obtained by KTAR News, Mayes highlighted the precarious situation for Arizona's Medicaid system, known as the Arizona Health Care Cost Containment System (AHCCCS), which relies on federal assurances of data confidentiality, she emphasized, "Arizona has relied on the federal government's assurances that it will follow the law and protect confidentiality," indicating the government might have "broken their promise," as reported by KTAR.

The attorneys general involved in the lawsuit hope the court will find the data sharing in violation of the Administrative Procedure Act alongside other legal protections like HIPAA, Mayes and her colleagues are seeking an injunction to stop HHS from transferring any further data to DHS, they assert that such actions have already sown fear among undocumented immigrant communities, leading to potential disenrollment in Medicaid programs and placing undue financial and health burdens on both states and safety net hospitals.

These court actions exemplify Mayes' broader strategy of using litigation as a bulwark against what she and her fellow attorneys general see as executive overreach. The administration's aggressive tactics, notably filing an appeal against a judge's ruling to maintain public education infrastructure, as noted by Phoenix New Times, show an unwavering resolve to push its policies despite legal roadblocks and ensuing societal strife.