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U.S. District Court Halts Sharing of Medicaid Data with DHS, Upholding Privacy Concerns

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Published on August 14, 2025
U.S. District Court Halts Sharing of Medicaid Data with DHS, Upholding Privacy ConcernsSource: Google Street View

In a move hailed as a win for personal privacy, the U.S. District Court for the Northern District of California has issued a preliminary injunction against the U.S. Department of Health and Human Services (HHS). The court order prevents HHS from sharing Medicaid recipients' personal healthcare data with the U.S. Department of Homeland Security (DHS), as was reported by the Michigan Attorney General's Office.

Michigan Attorney General Dana Nessel voiced her approval of the court's decision. Nessel was part of a multistate coalition that brought a lawsuit against the HHS's move, which they contested was a deviation from established policy without proper justification. "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, per the Michigan Attorney General's Office. She expressed her commitment to preventing agencies from exploiting private medical information of the state's residents.

The court order highlights an absence of "reasoned decision-making" from HHS and DHS before altering the policies, which had historically prohibited the sharing of health information for immigration enforcement purposes. The order also points out that the agencies did not consider limiting the scope of data provided to DHS and indiscriminately sought access to private medical data for millions of Medicaid beneficiaries.

According to the court's injunction, HHS is now barred from sharing Medicaid data it has obtained from the plaintiff states with DHS for immigration enforcement. This holds until either the lawsuit concludes or until both the DHS and HHS complete a considered decision-making process that includes the concerns raised in the ruling, as Michigan's Attorney General's Office detailed. The process must address policy tradeoffs and relevant legal considerations.