Memorial Hermann Health System
Disclosed May 13, 2019604 affectedConfirmed
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 affected | 604 (as reported to HHS) |
|---|---|
| Disclosed | May 13, 2019 |
| Attack | Insider |
| Data exposed | NamesHealth |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
Notices filed
Other breaches at Memorial Hermann Health System
History of this record
First seen 2026-09-25 (HHS archive), confirmed by HHS OCR. Record counts are as reported. Not legal advice.