HHS OCR report · 2017
MultiCare Health System data breach
OCR report facts
- Covered entity
- MultiCare Health System
- Entity type
- Healthcare Provider
- State
- Washington
- Individuals affected
- 1,249
- Submission date
- Jan 26, 2017
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Business associate present
- No
- Status
- Archive (closed)
OCR description
MultiCare Health System, the covered entity (CE), reported that due to a phishing attack a hacker gained access to an employee’s email access credentials for approximately 3 days. The breach affected the protected health information (PHI) of 1,249 individuals and included names, dates of birth, dates of service, diagnoses, medical record numbers, and descriptions of treatment. The CE provided breach notification to HHS, affected individuals and the media. Following the breach, the CE updat...
Text as published on the HHS OCR breach portal.
Other reports by MultiCare Health System
| Covered entity | State | Entity type | Individuals | Submitted | Type of breach | Status |
|---|---|---|---|---|---|---|
| MultiCare Health System | WA | Healthcare Provider | 179,189 | Aug 22, 2020 | Hacking/IT Incident | Archive (closed) |
Frequently asked questions
How many people were affected by the MultiCare Health System data breach?
The report to HHS OCR lists 1,249 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Jan 26, 2017.
What type of breach was it?
The OCR portal lists the type of breach as Hacking/IT Incident, with the breached information located in: Email.
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 MultiCare Health System 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 MultiCare Health System.