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American Addiction Centers: data breach filings, state by state

American Addiction Centers has 7 data breach filings on record in 5 government portals. The latest was reported to Oregon DOJ on Sep 3, 2026, with 1 in total. Data exposed, as filed: Social Security number, Medical / health information, Health insurance.

1,156residents counted in 2 states (MA, WA). Latest filing per state, last twelve months
327,754people in total, as reported to HHS OCR on Aug 7, 2026
7filings in 5 government portals
Sep 3, 2026latest filing, Oregon DOJ

By portal

PortalFilingsLatest reportPeople in the latest filing
Oregon DOJ2Sep 3, 20261 in total
California AG2Aug 7, 2026Not published
Massachusetts OCABR1Aug 7, 20261 Massachusetts residents
HHS OCR1Aug 7, 2026327,754 in total
Washington AG1Aug 7, 20261,155 Washington residents

Counts are the organization's own, as filed with each agency. Most state portals count their own residents only, so no single state shows the whole incident. An organization can file more than once for the same incident, and for different ones.

Case file

Breach window
May 12, 2026 to Jun 8, 2026
Discovered
Jun 8, 2026, as stated in the California letter
Offered to those affected
credit or identity monitoring through Experian (term not stated in the letter we read)
Third party named
Yes, the letter attributes the incident to a vendor or service provider
Days to notice
Past the statutory period in all 3 states that set one, counted from discovery to each state's first record
Prior incidents
1 earlier incident on record for this organization

Open the case fileWord document

Every filing with the agency links, each state's record against its statutory period with the citation, what the letter offers, prior incidents. Letter facts are quoted so you can check them.

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Every filing

OrganizationSourceStateReportedResidents affectedData exposed
American Addiction Centers Oregon DOJ OR Sep 3, 2026 1 Not stated
American Addiction Centers California AG CA Aug 7, 2026 Not published Social Security numberMedical / health informationName
American Addiction Centers Massachusetts OCABR MA Aug 7, 2026 1 Social Security numberMedical / health information
American Addiction Centers HHS OCR US Aug 7, 2026 327,754 Medical / health information
American Addiction Centers Washington AG WA Aug 7, 2026 1,155 Social Security numberMedical / health informationHealth insuranceName
American Addiction Centers, Inc. Oregon DOJ OR Dec 23, 2024 422,424 Not stated
American Addiction Centers, Inc. California AG CA Dec 23, 2024 Not published Social Security numberDriver's license / state IDFinancial / bank accountDate of birth+4

Data reproduced from public government filings. Each row opens the record with the agency link. Spot an error? Email support@breachtally.com with the page link. Corrections are applied and noted.