HHS OCR report · 2015
Cathrine Steinborn, DDS data breach
OCR report facts
- Covered entity
- Cathrine Steinborn, DDS
- Entity type
- Healthcare Provider
- State
- California
- Individuals affected
- 3,224
- Submission date
- Feb 27, 2015
- Type of breach
- Theft
- Location of breached information
- Network Server
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE) reported a breach of 3,224 individuals’ electronic protected health information (ePHI), as a result of an office burglary on January 5, 2015. The stolen server contained names, addresses, dates of birth, telephone numbers, social security numbers, insurance information, medical information, and billing information. The CE provided OCR with evidence that it responded to the security incident and undertook steps to prevent the risk of future security incidents by implem...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Cathrine Steinborn, DDS data breach?
The report to HHS OCR lists 3,224 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Feb 27, 2015.
What type of breach was it?
The OCR portal lists the type of breach as Theft, 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 Cathrine Steinborn, DDS 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 Cathrine Steinborn, DDS.