HHS OCR report ยท 2022
Kaiser Foundation Health Plan, Inc., Southern California data breach
OCR report facts
- Covered entity
- Kaiser Foundation Health Plan, Inc., Southern California
- Entity type
- Health Plan
- State
- California
- Individuals affected
- 75,010
- Submission date
- Jul 15, 2022
- Type of breach
- Theft
- Location of breached information
- Other Portable Electronic Device
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE), Leon Medical Centers, reported that it was the subject of a ransomware attack that affected the protected health information (PHI) of 76,661 individuals. The PHI involved included names, addresses, dates of birth, Social Security numbers, health insurance and claims information, diagnoses/conditions, lab results, medications, and other treatment information. The CE notified HHS, the affected individuals, the media, and provided substitute notice. In response to the br...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Kaiser Foundation Health Plan, Inc., Southern California data breach?
The report to HHS OCR lists 75,010 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Jul 15, 2022.
What type of breach was it?
The OCR portal lists the type of breach as Theft, 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 Kaiser Foundation Health Plan, Inc., Southern California 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 Kaiser Foundation Health Plan, Inc., Southern California.