Up to $47.5M Kaiser Settlement Ends Class Action Lawsuit Over Alleged Disclosure of Patient Info

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Kaiser Foundation Health Plan has agreed to pay at least $46 million, and up to $47.5 million, to settle a class action lawsuit that alleged the healthcare provider unlawfully tracked and shared sensitive patient information with third parties like Google, Microsoft and Twitter without consent.

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The Kaiser class action settlement received preliminary approval from the court on October 24, 2025 and covers approximately 13.1 million people in California, Colorado, Georgia, Hawaii, Maryland, Oregon, Virginia, Washington and the District of Columbia who accessed their patient portal account through an authenticated Kaiser Permanente website or app from November 2017 to May 2024.

ClassAction.org will update this page when the official Kaiser settlement website is launched.

Per an amended proposed preliminary settlement approval order, the settlement administrator will send out Kaiser Foundation Health Plan class action settlement notices, complete with key information about how and where to submit a Kaiser claim form and how to receive a payout, by January 16, 2026.

According to the preliminary approval order, Kaiser settlement class members who submit a valid, timely claim form will be able to receive a one-time cash payment estimated to be between $20.98 and $41.95. The document adds that the settlement payout each class member may receive will be based on the total number of valid claims that are submitted and the amount that remains in the net settlement fund after the payment of settlement administration costs, attorneys’ fees and plaintiff service awards.

Class members will be able to file a Kaiser settlement claim form by mail or online through the court-approved settlement website once it is established. The amended proposal also outlines that the deadline to submit claim forms is preliminarily set for March 12, 2026.

The court will determine whether to grant final approval to the Kaiser settlement at a hearing set for April 30, 2026. Compensation will begin to be distributed to eligible consumers only after final approval is granted and any appeals are resolved.

The Kaiser Foundation Health Plan class action lawsuit alleged that three Kaiser Permanente entities embedded tracking and analytical tools within their websites and mobile apps that, unbeknownst to users, allowed third-party technologies like Google, Microsoft, and Twitter to collect sensitive information on former and current Kaiser patients. Per court documents, patient information allegedly involved in the data-sharing included identifying information, patient status, medical histories and communications with healthcare professionals.

“Kaiser Permanente had exclusive and superior knowledge that the Third Party Wiretappers’ code incorporated on its Site would disclose Kaiser Plan Members’ protected and private information and confidential communications, yet failed to disclose to Kaiser Plan Members and Site users, including Plaintiffs and members of the Classes, that by interacting with the Kaiser Permanente Site and/or Portal that Plaintiffs and Class Members’ patient status, personal information, sensitive health information, and confidential communications would be disclosed to third parties,” the lawsuit summarizes.

In August 2025, over two years after the filing of the initial complaint, the parties stipulated to dismiss two of the Kaiser entities— Kaiser Foundation Hospitals and Kaiser Foundation Health Plan of Washington—and instead focus claims on Kaiser Foundation Health Plan.

Check out ClassAction.org’s lawsuit list for current class action lawsuits.