Wellmark Health Insurance
Disclosed May 26, 20266,666 affectedConfirmed
The covered entity (CE), Wellmark Health Insurance, reported that an employee mailed the protected health information (PHI) of 6,666 individuals to the wrong recipients. The PHI involved included clinical information. The CE notified HHS, the media, and the affected individuals. In response to the breach, the CE retrained workforce members to better protect its PHI.
What is known
| People affected | 6,666 (as reported to HHS) |
|---|---|
| Disclosed | May 26, 2026 |
| Attack | Insider |
| Data exposed | NamesHealth |
| Sector | Insurance · US |
| Status | Confirmed |
Sources
Notices filed
History of this record
First recordedby backfillSource
First seen 2026-09-25 (HHS archive), confirmed by HHS OCR. Record counts are as reported. Not legal advice.