Mount Sinai Health System has agreed to pay more than $5 million to participants in a class-action suit who alleged their confidential patient information was shared with Facebook, according to federal court documents.

The network of hospitals that includes Mount Sinai South Nassau in Oceanside has settled with more than 1 million people who logged into the MyChart system between Oct. 27, 2020 and Oct. 27, 2023, according to a complaint filed the United States District Court for the Southern District of New York in Manhattan on Oct. 30, 2023. The hospital group’s online portal allows users to schedule appointments and access lab and test results among other features.

Under the terms of the settlement, filed in federal court on May 30, Mount Sinai Health System will pay $5,256,588 to appr

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