HHS OCR report ยท 2019
Wood Ranch Medical data breach
OCR report facts
- Covered entity
- Wood Ranch Medical
- Entity type
- Healthcare Provider
- State
- California
- Individuals affected
- 5,835
- Submission date
- Sep 18, 2019
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE), Wood Ranch Medical, experienced a ransomware attack on its computer systems (its network server and backup hard drives) that blocked access to the electronic protected health information (ePHI) of 5,835 individuals. The ePHI included demographic, clinical, and medical insurance information. The CE provided breach notification to affected individuals, HHS, and the media. Following the breach, the CE was unable to recover and restore the servers containing the PHI. As o...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Wood Ranch Medical data breach?
The report to HHS OCR lists 5,835 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Sep 18, 2019.
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 Wood Ranch Medical 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 Wood Ranch Medical.