HHS OCR report ยท 2022
King County Public Hospital District No. 2 d/b/a EvergreenHealth data breach
OCR report facts
- Covered entity
- King County Public Hospital District No. 2 d/b/a EvergreenHealth
- Entity type
- Healthcare Provider
- State
- Washington
- Individuals affected
- 20,533
- Submission date
- Apr 22, 2022
- 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), King County Public Hospital District No. 2 dba EvergreenHealth, reported that is business associate suffered a ransomware attack affecting the protected health information (PHI) of 20,533 individuals. The PHI involved included names, diagnoses, medications prescribed, dates of birth, and other treatment information. The CE notified HHS, affected individuals, and the media. In response to the breach, the CE implemented additional technical safeguards to better protecte...
Text as published on the HHS OCR breach portal.
Other reports by King County Public Hospital District No. 2 d/b/a EvergreenHealth
| Covered entity | State | Entity type | Individuals | Submitted | Type of breach | Status |
|---|---|---|---|---|---|---|
| King County Public Hospital District No. 2 d/b/a EvergreenHealth | WA | Healthcare Provider | 22,579 | Jul 13, 2021 | Hacking/IT Incident | Archive (closed) |
Frequently asked questions
How many people were affected by the King County Public Hospital District No. 2 d/b/a EvergreenHealth data breach?
The report to HHS OCR lists 20,533 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Apr 22, 2022.
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 King County Public Hospital District No. 2 d/b/a EvergreenHealth 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 King County Public Hospital District No. 2 d/b/a EvergreenHealth.