HHS OCR report ยท 2025
Blue Shield of California data breach
OCR report facts
- Covered entity
- Blue Shield of California
- Entity type
- Business Associate
- State
- California
- Individuals affected
- 607
- Submission date
- Sep 29, 2025
- Type of breach
- Unauthorized Access/Disclosure
- Location of breached information
- Paper/Films
- Business associate present
- Yes
- Status
- Archive (closed)
OCR description
The business associate (BA), Blue Shield of California, reported that a coding issue resulted in the protected health information (PHI) of 607 individuals being mailed to the wrong individuals. The PHI involved names, dates of birth, and social security numbers. The BA notified HHS, affected individuals, and the media. In its mitigation efforts, the BA fixed the coding issue and provided the affected individuals with free credit monitoring. OCR provided technical assistance to the BA rega...
Text as published on the HHS OCR breach portal.
Other reports by Blue Shield of California
| Covered entity | State | Entity type | Individuals | Submitted | Type of breach | Status |
|---|---|---|---|---|---|---|
| Blue Shield of California | CA | Health Plan | 93,921 | Sep 29, 2025 | Unauthorized Access/Disclosure | Archive (closed) |
| Blue Shield of California | CA | Health Plan | 783 | Jul 21, 2025 | Unauthorized Access/Disclosure | Archive (closed) |
| Blue Shield of California | CA | Business Associate | 673 | Jun 23, 2025 | Unauthorized Access/Disclosure | Under investigation |
| Blue Shield of California | CA | Business Associate | 1,543 | Jun 6, 2025 | Unauthorized Access/Disclosure | Under investigation |
| Blue Shield of California | CA | Business Associate | 4,700,000 | Apr 9, 2025 | Unauthorized Access/Disclosure | Archive (closed) |
| Blue Shield of California | CA | Health Plan | 624 | Feb 28, 2025 | Unauthorized Access/Disclosure | Archive (closed) |
| Blue Shield of California | CA | Health Plan | 1,506 | Jul 12, 2022 | Hacking/IT Incident | Archive (closed) |
| Blue Shield of California | CA | Health Plan | 1,519 | Nov 19, 2021 | Hacking/IT Incident | Archive (closed) |
| Blue Shield of California | CA | Health Plan | 20,764 | Jan 14, 2016 | Unauthorized Access/Disclosure | Archive (closed) |
Frequently asked questions
How many people were affected by the Blue Shield of California data breach?
The report to HHS OCR lists 607 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Sep 29, 2025.
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 Blue Shield of 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 Blue Shield of California.