HHS OCR report · 2020
Cook Children's Medical Center data breach
OCR report facts
- Covered entity
- Cook Children's Medical Center
- Entity type
- Healthcare Provider
- State
- Texas
- Individuals affected
- 2,827
- Submission date
- Aug 17, 2020
- Type of breach
- Loss
- Location of breached information
- Other Portable Electronic Device
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE), Cook Children’s Medical Center, reported that it lost a box of discs containing the electronic protected health information (ePHI) of approximately 2,827 individuals. The ePHI involved included names, dates of birth, and clinical and treatment information. The CE notified HHS, affected individuals, and the media. In its mitigation efforts, the CE implemented additional administrative, technical, and security safeguards to protect its ePHI. All staff members were r...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Cook Children's Medical Center data breach?
The report to HHS OCR lists 2,827 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Aug 17, 2020.
What type of breach was it?
The OCR portal lists the type of breach as Loss, with the breached information located in: Other Portable Electronic Device.
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 Cook Children's Medical Center 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 Cook Children's Medical Center.