HHS OCR report ยท 2022
Three Rivers Provider Network data breach
OCR report facts
- Covered entity
- Three Rivers Provider Network
- Entity type
- Business Associate
- State
- California
- Individuals affected
- 4,725
- Submission date
- Dec 19, 2022
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Business associate present
- Yes
- Status
- Archive (closed)
OCR description
The business associate (BA), Three Rivers Provider Network, reported that an employee was the subject of an email phishing scheme that compromised the protected health information (PHI) of 4,725 individuals. The PHI involved included names, addresses, dates of birth, Social Security numbers, claims information, health insurance information, diagnoses, medications, and other treatment information. The BA notified HHS, affected individuals, and the media. In response to the breach, the BA imple...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Three Rivers Provider Network data breach?
The report to HHS OCR lists 4,725 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Dec 19, 2022.
What type of breach was it?
The OCR portal lists the type of breach as Hacking/IT Incident, with the breached information located in: Email.
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 Three Rivers Provider Network 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 Three Rivers Provider Network.