HHS OCR report ยท 2023
UC Davis Health data breach
OCR report facts
- Covered entity
- UC Davis Health
- Entity type
- Healthcare Provider
- State
- California
- Individuals affected
- 3,201
- Submission date
- Jul 28, 2023
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE), UC Davis Health, reported that an employee was the subject of an email phishing attack that compromised the protected health information (PHI) of 3,201 individuals. The PHI involved included names, dates of birth, Social Security numbers, diagnoses, and medications. The CE notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the CE provided complimentary credit monitoring services and implemented additional administ...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the UC Davis Health data breach?
The report to HHS OCR lists 3,201 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Jul 28, 2023.
What type of breach was it?
The OCR portal lists the type of breach as Hacking/IT Incident, with the breached information located in: Email.
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 UC Davis Health 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 UC Davis Health.