HHS OCR report ยท 2021
Thomas Jefferson University Hospital data breach
OCR report facts
- Covered entity
- Thomas Jefferson University Hospital
- Entity type
- Business Associate
- State
- Pennsylvania
- Individuals affected
- 1,346
- Submission date
- Jul 22, 2021
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- Yes
- Status
- Archive (closed)
OCR description
Thomas Jefferson University Hospital, the covered entity (CE), reported that its business associate (BA) experienced a cyber-attack that affected the protected health information (PHI) of 1,346 individuals. The PHI involved included names, addresses, Social Security numbers, dates of birth, diagnoses/conditions, medications prescribed, and other treatment information. The CE notified HHS, the media, and provided substitute notice. The BA notified the affected individuals and provided complime...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Thomas Jefferson University Hospital data breach?
The report to HHS OCR lists 1,346 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Jul 22, 2021.
What type of breach was it?
The OCR portal lists the type of breach as Hacking/IT Incident, with the breached information located in: 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 Thomas Jefferson University 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 Thomas Jefferson University Hospital.