HHS OCR report ยท 2011
MacNeal Hospital data breach
OCR report facts
- Covered entity
- MacNeal Hospital
- Entity type
- Healthcare Provider
- State
- Illinois
- Individuals affected
- 845
- Submission date
- Apr 25, 2011
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Desktop Computer, Email, Laptop, Network Server
- Business associate present
- No
- Status
- Archive (closed)
OCR description
\N
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the MacNeal Hospital data breach?
The report to HHS OCR lists 845 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Apr 25, 2011.
What type of breach was it?
The OCR portal lists the type of breach as Hacking/IT Incident, with the breached information located in: Desktop Computer, Email, Laptop, Network Server.
Is the investigation still open?
No. The report is in the OCR portal archive, which holds reports where OCR has closed its review.
Is a breach notice letter from MacNeal Hospital legitimate?
This site cannot verify letters. Check the sender against the organisation's official website and the HHS OCR breach portal, and avoid calling numbers or clicking links only listed in an unexpected message. See our guide on what to do after a data breach notice.
Source: HHS OCR Breach Portal, OCR export October 2026. Network USA is not affiliated with HHS or MacNeal Hospital.