HHS OCR report · 2021
K&B Surgical Center LLC data breach
OCR report facts
- Covered entity
- K&B Surgical Center LLC
- Entity type
- Healthcare Provider
- State
- California
- Individuals affected
- 14,774
- Submission date
- Jul 28, 2021
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Desktop Computer, Electronic Medical Record, Network Server
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE), K&B Surgical Center, reported that it was the victim of a ransomware attack that affected the electronic protected health information (ePHI) of 14,774 individuals. The ePHI involved included names, dates of birth, Social Security numbers, drivers’ license numbers, addresses, diagnoses, medications prescribed, health insurance information, and other treatment information. The CE notified HHS, affected individuals, the media, and provided complimentary credit monitori...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the K&B Surgical Center LLC data breach?
The report to HHS OCR lists 14,774 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Jul 28, 2021.
What type of breach was it?
The OCR portal lists the type of breach as Hacking/IT Incident, with the breached information located in: Desktop Computer, Electronic Medical Record, 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 K&B Surgical Center LLC 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 K&B Surgical Center LLC.