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Federal Court Issues Preliminary Injunction Blocking HHS From Illegally Sharing Personal Healthcare Data
August 13, 2025
LANSING – Yesterday, the U.S. District Court for the Northern District of California granted a preliminary injunction blocking the U.S. Department of Health and Human Services (HHS) from granting the U.S. Department of Homeland Security (DHS) access to Medicaid beneficiaries’ personal healthcare data. Michigan Attorney General Dana Nessel joined a multistate coalition in filing a lawsuit challenging the decision by HHS.
“I am relieved that the Court has recognized that the Trump Administration cannot abandon longstanding policies to personal healthcare data to advance a political agenda,” Nessel said. “Medicaid exists to serve the needs of some of our most vulnerable residents, not to provide unrelated agencies access to some of our most sensitive information. I will continue to fight to ensure Michiganders’ medical data remains protected and confidential.”
In its Order, the Court recognized that HHS and DHS did not engage in any reasoned decision-making before abruptly changing longstanding policy that prohibited HHS from sharing information with DHS for immigration enforcement purposes. The Court further identified the agencies’ failure to consider whether to limit the scope of data provided to DHS — rather than providing all private medical data for millions of Medicaid recipients.
The Court’s Order enjoins HHS “from sharing Medicaid data obtained from the plaintiff states with DHS for immigration enforcement purposes” until the end of the lawsuit or 14 days after “both DHS and HHS have completed a reasoned decision making process (or rulemaking, if necessary) that considers the matters discussed in this ruling, along with any other relevant policy tradeoffs or legal considerations.”
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