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HHS OCR report ยท 2025

California Cancer Associates for Research and Excellence - San Diego data breach

California Cancer Associates for Research and Excellence - San Diego, a healthcare provider in California, reported a breach affecting 638 individuals to HHS OCR on Jun 27, 2025.

OCR report facts

Covered entity
California Cancer Associates for Research and Excellence - San Diego
Entity type
Healthcare Provider
Individuals affected
638
Submission date
Jun 27, 2025
Type of breach
Hacking/IT Incident
Location of breached information
Email
Business associate present
Yes
Status
Archive (closed)

OCR description

The covered entity (CE), California Cancer Associates for Research and Excellence - San Diego reported that multiple employees of its business associate (BA) were the subjects of an email phishing incident that affected the protected health information (PHI) of 638 individuals. The PHI involved included clinical, demographic, and financial information. The CE notified HHS, the affected individuals, the media, and provided substitute notice. In response to the breach, the CE provided complimen...

Text as published on the HHS OCR breach portal.

Frequently asked questions

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Source: HHS OCR Breach Portal, OCR export October 2026. Network USA is not affiliated with HHS or California Cancer Associates for Research and Excellence - San Diego.