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Madison Healthcare Services: data breach filings, state by state

Madison Healthcare Services has 2 data breach filings on record in 2 government portals. The latest was reported to Massachusetts OCABR on Sep 23, 2026, with 4 Massachusetts residents. Data exposed, as filed: Social Security number, Driver's license / state ID, Medical / health information.

4residents counted in 1 state (MA). Latest filing per state, last twelve months
500people in total, as reported to HHS OCR on Dec 2, 2025
2filings in 2 government portals
Sep 23, 2026latest filing, Massachusetts OCABR

By portal

PortalFilingsLatest reportPeople in the latest filing
Massachusetts OCABR1Sep 23, 20264 Massachusetts residents
HHS OCR1Dec 2, 2025500 in total

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
Not stated in the filings
Discovered
No letter on file to read
Offered to those affected
No letter on file to read
Third party named
No letter on file to read
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
Madison Healthcare Services Massachusetts OCABR MA Sep 23, 2026 4 Social Security numberDriver's license / state ID
Madison Healthcare Services HHS OCR US Dec 2, 2025 500 Medical / health information

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.