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Memorial Hermann Health System

Disclosed May 13, 20197 years ago604 affectedConfirmed

Official notice

The covered entity (CE), Memorial Hermann Health System, reported that a workforce member inadvertently emailed a spreadsheet containing the protected health information (PHI) of 507 individuals. The PHI involved included the names, medical record numbers, financial information, insurance information, and clinical information. The CE notified HHS, affected individuals, and the media. Following the incident, the CE sanctioned the workforce member and revised its procedures to better safeguard PHI. The CE also contacted the email recipient and received assurances that the information had been deleted. OCR obtained assurances that the CE implemented the corrective actions noted above.

What is known

People affected604 (as reported to HHS)
DisclosedMay 13, 2019
AttackInsider
Data exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

WhereFiledPeople
HHS archivetotalMay 13, 2019604
HHS archivetotalJul 2, 2019507

Other breaches at Memorial Hermann Health System

BreachAffected
Disclosed Mar 31, 2021Mar 31, 20215 years agoInsider1,893
Disclosed Aug 29, 2014Aug 29, 201412 years agoInsider11K
History of this record
  • 2026-09-25 · records: 507 to 604 · backfill source
  • 2026-09-25 · disclosed: 2019-07-02 to 2019-05-13 · backfill source
  • 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.

Everything about Memorial Hermann Health System

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