HHS OCR report ยท 2017
Kaiser Foundation Health Plan data breach
OCR report facts
- Covered entity
- Kaiser Foundation Health Plan
- Entity type
- Health Plan
- State
- California
- Individuals affected
- 720
- Submission date
- Oct 20, 2017
- Type of breach
- Unauthorized Access/Disclosure
- Location of breached information
- Paper/Films
- Business associate present
- No
- Status
- Archive (closed)
OCR description
On September 18, 2017, a business associate (BA) completed a batch mailing of outreach letters on behalf of the covered entity (CE), Kaiser Foundation Health Plan. The CE subsequently received reports of patients receiving other patient's outreach letters. A review of the files used by the BA revealed that the addresses for the entire batch had been superimposed, resulting in 720 patients receiving a letter intended for another patient. The PHI breached included demographic information (patie...
Text as published on the HHS OCR breach portal.
Other reports by Kaiser Foundation Health Plan
| Covered entity | State | Entity type | Individuals | Submitted | Type of breach | Status |
|---|---|---|---|---|---|---|
| Kaiser Foundation Health Plan | CA | Health Plan | 609 | Sep 8, 2017 | Unauthorized Access/Disclosure | Archive (closed) |
Frequently asked questions
How many people were affected by the Kaiser Foundation Health Plan data breach?
The report to HHS OCR lists 720 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Oct 20, 2017.
What type of breach was it?
The OCR portal lists the type of breach as Unauthorized Access/Disclosure, with the breached information located in: Paper/Films.
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 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.