HHS OCR report · 2013
Patterson Dental Supply/Patterson Companies data breach
OCR report facts
- Covered entity
- Patterson Dental Supply/Patterson Companies
- Entity type
- Business Associate
- State
- Minnesota
- Individuals affected
- 6,400
- Submission date
- Mar 12, 2013
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- Yes
- Status
- Archive (closed)
OCR description
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 tec...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Patterson Dental Supply/Patterson Companies data breach?
The report to HHS OCR lists 6,400 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Mar 12, 2013.
What type of breach was it?
The OCR portal lists the type of breach as Hacking/IT Incident, with the breached information located in: Network Server.
Is the investigation still open?
No. The report is in the OCR portal archive, which holds reports where OCR has closed its review.
Is a breach notice letter from Patterson Dental Supply/Patterson Companies legitimate?
This site cannot verify letters. Check the sender against the organisation's official website and the HHS OCR breach portal, and avoid calling numbers or clicking links only listed in an unexpected message. See our guide on what to do after a data breach notice.
Source: HHS OCR Breach Portal, OCR export October 2026. Network USA is not affiliated with HHS or Patterson Dental Supply/Patterson Companies.