Choctaw Nation Health Service Authority
Disclosed Sep 27, 20197 years ago500 affectedConfirmed
The covered entity (CE), Choctaw Nation Health Service Authority, reported that an employee was the subject of an email phishing scheme that affected the protected health information (PHI) of 500 individuals. The PHI involved included names, Social Security numbers, dates of birth, diagnoses, medications, and other treatment information. The CE notified HHS, the affected individuals, the media, and provided substitute notice. In response to the breach, the CE provided complimentary credit monitoring services and implemented additional administrative, technical, and security safeguards to better protect its PHI.
What is known
| People affected | 500 (as reported to HHS) |
|---|---|
| Disclosed | Sep 27, 2019 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| HHS OCR breach report (archive, resolved): Choctaw Nation Health Service Authority (Healthcare Provider, OK)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS archivetotal | Sep 27, 2019 | 500 |
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.