HHS OCR report ยท 2025
Mission Neighborhood Health Center data breach
OCR report facts
- Covered entity
- Mission Neighborhood Health Center
- Entity type
- Healthcare Provider
- State
- California
- Individuals affected
- 3,741
- Submission date
- Dec 19, 2025
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- Yes
- Status
- Archive (closed)
OCR description
The covered entity (CE), Mission Neighborhood Health Center, reported that a subcontractor of its business associate (BA) experienced a hacking attack that affected the protected health information (PHI) of 3,471 individuals. The PHI involved included demographic information. The CE notified HHS, the affected individuals, and the media. In response to the breach, the CE and BA implemented additional administrative, technical, and security safeguards to better protect PHI.
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Mission Neighborhood Health Center data breach?
The report to HHS OCR lists 3,741 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Dec 19, 2025.
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 Mission Neighborhood Health Center 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 Mission Neighborhood Health Center.