North Oklahoma County Mental Health Center
Disclosed Jul 21, 20215 years ago128,556 affectedConfirmed
The covered entity (CE), North Oklahoma County Mental Health dba NorthCare, reported that it was the subject of a cyber-attack that affected the protected health information (PHI) of 128,556 individuals. The PHI involved included names, dates of birth, addresses, Social Security and drivers’ license numbers, claims information, diagnoses, lab results, medications, and other treatment information. The CE notified HHS, 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, and retrained workforce members to better protect its PHI. OCR provided the CE with technical assistance regarding the requirements under the HIPAA Security Rule.
What is known
| People affected | 128,556 (as reported to HHS) |
|---|---|
| Disclosed | Jul 21, 2021 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| HHS OCR breach report (archive, resolved): North Oklahoma County Mental Health Center (Healthcare Provider, OK)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS archivetotal | Jul 21, 2021 | 128,556 |
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.