HHS OCR report ยท 2021
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
- 22,579
- Submission date
- Jul 13, 2021
- 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 its business associate (BA) experienced a cyber-attack that affected the electronic protected health information (ePHI) of 22,579 individuals. The ePHI involved included names, dates of birth, health insurance and financial information, and treatment information. The CE notified HHS, affected individuals, and the media.
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 | 20,533 | Apr 22, 2022 | 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 22,579 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Jul 13, 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: 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.