HHS OCR report · 2021
UC San Diego Health data breach
OCR report facts
- Covered entity
- UC San Diego Health
- Entity type
- Healthcare Provider
- State
- California
- Individuals affected
- 495,949
- Submission date
- Jun 8, 2021
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE), UC San Diego Health, reported that an employee was subjected to an email phishing scheme that compromised the protected health information (PHI) of 495,949 individuals. The PHI involved included names, dates of birth, addresses, drivers’ license and Social Security numbers, claims and financial information, lab results, medications, diagnoses, and other treatment information. The CE notified HHS and the affected individuals. In response to the breach, the CE implement...
Text as published on the HHS OCR breach portal.
Other reports by UC San Diego Health
| Covered entity | State | Entity type | Individuals | Submitted | Type of breach | Status |
|---|---|---|---|---|---|---|
| UC San Diego Health | CA | Healthcare Provider | 22,971 | Mar 16, 2023 | Unauthorized Access/Disclosure | Archive (closed) |
Frequently asked questions
How many people were affected by the UC San Diego Health data breach?
The report to HHS OCR lists 495,949 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Jun 8, 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: 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 San Diego 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 San Diego Health.