HHS OCR report ยท 2011
Cancer Care Northwest P.S. data breach
OCR report facts
- Covered entity
- Cancer Care Northwest P.S.
- Entity type
- Healthcare Provider
- State
- Washington
- Individuals affected
- 3,100
- Submission date
- Feb 9, 2011
- Type of breach
- Theft
- Location of breached information
- Paper/Films
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE) accidentally mailed the protected health information (PHI) of approximately 3,100 individuals to other individuals when a mail-merge process mismatched names and addresses. The PHI involved in the breach included names and indicated that the individuals were patients of the CE. Following the breach, the CE implemented additional safeguards, as well as policies and procedures to ensure mailing list accuracy. As a result of this incident, OCR required the CE to train ...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Cancer Care Northwest P.S. data breach?
The report to HHS OCR lists 3,100 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Feb 9, 2011.
What type of breach was it?
The OCR portal lists the type of breach as Theft, with the breached information located in: Paper/Films.
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 Cancer Care Northwest P.S. 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 Cancer Care Northwest P.S..