California Department of Health Care Services
Disclosed Mar 14, 20233 years ago6,460 affectedConfirmed
The California Department of Health Care Services, the covered entity (CE), reported that its business associate (BA) mailed the protected health information (PHI) of 6,460 individuals to the wrong recipients. The PHI involved included names, birthdates, Social Security numbers, addresses, and clinical information. The CE notified HHS, affected individuals, and the media. In response to this incident, the CE and BA implemented additional administrative, technical, and security safeguards to better protect PHI.
What is known
| People affected | 6,460 (as reported to HHS) |
|---|---|
| Disclosed | Mar 14, 2023 |
| Attack | Insider |
| Data exposed | Names, Health |
| Sector | Insurance · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| HHS OCR breach report (archive, resolved): California Department of Health Care Services (Health Plan, CA)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS archivetotal | Mar 14, 2023 | 6,460 |
History of this record
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (HHS archive), confirmed by HHS OCR. Record counts are as reported. Not legal advice.
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