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Illinois Attorney General Kwame Raoul Scores Preliminary Injunction Against Use of Medicaid Data for Immigration Enforcement

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Published on August 14, 2025
Illinois Attorney General Kwame Raoul Scores Preliminary Injunction Against Use of Medicaid Data for Immigration EnforcementSource: Office of the Illinois Attorney General

Attorney General Kwame Raoul has scored a win for privacy with a federal court in California granting a preliminary injunction to stop Medicaid data from being used in immigration enforcement, as reported by the Office of the Illinois Attorney General. The ruling issued on the heels of a multistate coalition lawsuit suggests that the U.S. Department of Health and Human Services' (HHS) sharing of data with the Department of Homeland Security (DHS) likely violates the ban on arbitrary rulemaking under the Administrative Procedure Act.

This measure temporarily blocks DHS, which encompasses Immigration and Customs Enforcement (ICE), from tapping into the Medicaid data of various states for the purposes of tracking down immigrants, the preliminary injunction will last until either a legally sound decision-making process is completed by HHS and DHS or the litigation itself wraps up. "The preliminary injunction is necessary to prevent HHS from providing unmitigated access to Medicaid recipients’ personal data for immigration enforcement purposes," Raoul said, "It is a critical tool that will help us protect Illinois’ most vulnerable residents, who will be disproportionately impacted by this violation of their trust," in a statement obtained by the Office of the Illinois Attorney General. Moreover, the lawsuit pointed out how the Trump administration's handling of Medicaid data was causing widespread dread and perplexity leading to a drop in enrollment, which in turn slapped states and safety net hospitals with expenses for obligatory emergency health care.

Medicaid, set up in 1965, acts as a lifeline for low-income people seeking health insurance, with states custom-tailoring their plans to meet the particular health needs of populations including children, the elderly, and those with disabilities. As of January 2025, Medicaid and the Children’s Health Insurance Program (CHIP) provided coverage to upward of 78.4 million individuals across the U.S. Illinois stands out with nearly 3.5 million dependents on Medicaid, CHIP, and other affordable health care programs, making the state's Department of Healthcare and Family Services the top insurance provider in the region.

Raoul's coalition comprises attorneys general from a diverse grouping of nineteen states, including Arizona, California, Colorado, Connecticut, Delaware, and stretching to Washington, uniting in the fight against the alleged unlawful use of personal health data for immigration enforcement, a move bound to send ripples through the domains of both healthcare and immigration law.