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Wellmark Health Insurance

Disclosed May 26, 20264 months ago6,666 affectedConfirmed

Official notice

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 affected6,666 (as reported to HHS)
DisclosedMay 26, 2026
AttackInsider
Data exposedNames, Health
SectorInsurance · US
StatusConfirmed

Sources

Source
HHS OCR breach report (archive, resolved): Wellmark Health Insurance (Health Plan, IA)ocrportal.hhs.gov · Official notice

Notices filed

WhereFiledPeople
HHS archivetotalMay 266,666
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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