HHS OCR report ยท 2019
Seattle Cancer Care Alliance data breach
OCR report facts
- Covered entity
- Seattle Cancer Care Alliance
- Entity type
- Healthcare Provider
- State
- Washington
- Individuals affected
- 944
- Submission date
- Oct 16, 2019
- Type of breach
- Unauthorized Access/Disclosure
- Location of breached information
- Business associate present
- No
- Status
- Archive (closed)
OCR description
Seattle Cancer Care Alliance (SCCA), the covered entity (CE), reported that an employee emailed an invitation to a patient education event and exposed the email addresses of all patients involved. The breach affected 944 individuals. In response to the breach, the covered entity conducted an internal investigation and sanctioned all workforce members involved. SCCA notified OCR, all affected individuals, and the media. Additionally, SCCA revised its policies and procedures to include gui...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Seattle Cancer Care Alliance data breach?
The report to HHS OCR lists 944 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Oct 16, 2019.
What type of breach was it?
The OCR portal lists the type of breach as Unauthorized Access/Disclosure, 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 Seattle Cancer Care Alliance 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 Seattle Cancer Care Alliance.