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Group Health Cooperative

Disclosed Oct 3, 201312 years ago1,015 affectedConfirmed

Official notice

The CE sent an erroneous mailing to 1,105 individuals which displayed protected health information (PHI) in the address window of the envelope. The PHI involved in the breach included patients’ names, medical record numbers, diagnoses, and addresses. The CE provided breach notification to HHS, affected individuals, and the media. Following the breach, the CE reviewed, updated and implemented applicable procedures to correct the causes of this incident. In response to OCR’s investigation, CE provided documentation of the corrective actions taken.

What is known

People affected1,015 (as reported to HHS)
DisclosedOct 3, 2013
AttackNot stated
Data exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

WhereFiledPeople
HHS archivetotalOct 3, 20131,015

Other breaches at Group Health Cooperative

BreachAffected
Disclosed Sep 23, 2016Sep 23, 201610 years agoLost or stolen deviceUnknown
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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