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Health Center Partners of Southern California
ArchivedSubmitted 04/09/2021
Updated 16 hours ago ()
- State
- CA
- Covered entity type
- Business Associate
- Individuals affected
- 337,245
- Business associate present
- Yes
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- First seen by InfoSec Signals
- Sep 23, 2026
- Last seen in OCR export
- Oct 25, 2026
OCR description
The business associate (BA), Health Center Partners of Southern California, reported that its vendor experienced a ransomware attack that affected the electronic protected health information (ePHI) of 337,245 individuals. The ePHI involved included names, diagnoses, Social Security numbers, medications prescribed, financial and health insurance information, and other treatment information. The BA notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the BA implemented additional administrative, technical, and security safeguards to better protect ePHI.
Change history
- Sep 23, 2026Added to OCR's archive list
Source: HHS OCR Breach Portal, U.S. Department of Health and Human Services, Office for Civil Rights about this source
Records are reproduced as published; entity names and figures are OCR's.