HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals) Primary notice
Posted on the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals) with a submission date of Sept. 15, 2023.
- Organization as reported
- Oak Valley Hospital District, CA
- Entity type as reported
- Healthcare Provider
- Category as reported
Hacking/IT Incident
- Location of information as reported
- Network Server
- Submission date
- Sept. 15, 2023
- Observed by BreachRecords
- 2026-10-18 16:15 UTC (revision 10463, row:1602)
- Archived copy
- Held in the private archive (provenance)
Oak Valley Hospital District, the covered entity (CE), reported that it experienced a cyber-attack that compromised the protected health information (PHI) of 284,629 individuals. The PHI involved included names, addresses, dates of birth, Social Security numbers, health insurance information, diagnoses, lab results, medications, and claims information. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. In response to the breach and OCR’s investigation, the CE revised its policies and procedures, retrained its workforce members, and implemented additional technical safeguards.