HHS OCR report · 2021
Chaddock data breach
Chaddock, a healthcare provider in Illinois, reported a breach affecting 777 individuals to HHS OCR on Dec 21, 2021.
OCR report facts
- Covered entity
- Chaddock
- Entity type
- Healthcare Provider
- State
- Illinois
- Individuals affected
- 777
- Submission date
- Dec 21, 2021
- Type of breach
- Theft
- Location of breached information
- Paper/Films
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE), Chaddock, reported that an employee binder containing the protected health information (PHI) of 777 individuals was stolen. The PHI involved included names, addresses, and social security and drivers’ license information. The CE notified HHS and affected individuals. In its mitigation efforts, the CE took implemented additional administrative and technical safeguards to better protect PHI.
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Chaddock data breach?
The report to HHS OCR lists 777 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Dec 21, 2021.
What type of breach was it?
The OCR portal lists the type of breach as Theft, with the breached information located in: Paper/Films.
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 Chaddock 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 Chaddock.