Choctaw Nation Health Services Authority
Disclosed Aug 23, 20197 years ago550 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 550 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 | 550 (as reported to HHS) |
|---|---|
| Disclosed | Aug 23, 2019 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| HHS OCR breach report (archive, resolved): Choctaw Nation Health Services Authority (Healthcare Provider, OK)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS archivetotal | Aug 23, 2019 | 550 |
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.