Patterson Dental Supply/Patterson Companies
Disclosed Mar 12, 201313 years ago6,400 affectedConfirmed
An unknown individual hacked into the covered entity’s (CE) server which contained the electronic protected health information (ePHI) of approximately 6,400 individuals. The ePHI involved in the breach included names, addresses, dates of birth, social security numbers, payment information, and treatment information. The CE provided breach notification to HHS, affected individuals, and the media. Following the breach, the CE improved safeguards by installing a new firewall and filtering technology. Additionally, OCR’s investigation resulted in the CE retraining its employees.
What is known
| People affected | 6,400 (as reported to HHS) |
|---|---|
| Disclosed | Mar 12, 2013 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| HHS OCR breach report (archive, resolved): Patterson Dental Supply/Patterson Companies (Business Associate, MN)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS archivetotal | Mar 12, 2013 | 6,400 |
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.
Everything about Patterson Dental Supply/Patterson Companies