Regulator-posted notice

Breach notice filed by Dean Health Systems, Inc.; St. Mary's Hospital; St. Marys Dean Ventures, Incorporated (December 2010)

Organization named: Dean Health Systems, Inc.; St. Mary's Hospital; St. Marys Dean Ventures, Incorporated Provisional: identity as filed, not yet matched to the directory
Type as the source lists it: Theft

What the sources say

HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals) Primary notice

Posted on the HHS Office for Civil Rights breach portal with a submission date of Dec. 20, 2010.

Organization as reported: Dean Health Systems, Inc.; St. Mary's Hospital; St. Marys Dean Ventures, Incorporated, WI
Entity type as reported: Healthcare Provider
Category as reported: Theft
Location of information as reported: Laptop
Submission date: Dec. 20, 2010
Observed by BreachRecords: 2026-10-18 16:15 UTC (revision 15927, row:7066)
Archived copy: Held in the private archive (provenance)

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The source's own words, from the revision above.

Figures, per source

3,288 individuals affected (total reported), according to the HHS Office for Civil Rights breach portal, source date Dec. 20, 2010, revision observed 2026-10-18.

Each figure is one source's figure with the basis that source gave. Figures from different sources are shown side by side and are not added, averaged or chosen between.

Timeline

Source dates are the dates the sources give. Observation dates are when BreachRecords recorded each revision.

2010-12-20Submission date (HHS Office for Civil Rights breach portal)
2026-10-18Observed by BreachRecords (revision 15927)
2026-10-19Approved by a reviewer

Organizations linked by a reviewer

Dean Health Systems, Inc.; St. Mary's Hospital; St. Marys Dean Ventures, Incorporated Named as the covered entity Provisional: identity as filed, not yet matched to the directory Linked 2026-10-19, method provisional.

Archived evidence

3dbc27dd5742e041cc1e7fe18cc669e2901fbd3b86b7007ed27948ff4d406e1f
text/csv, 5,530,996 bytes, retrieved from HHS Office for Civil Rights breach portal, 2026-10-18 16:15 UTC. Archived privately · Provenance · Source page

Records reflect source filings as of the dates shown. BreachRecords is not a regulator.

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