HHS OCR report ยท 2023
Fred Hutchinson Cancer Center data breach
OCR report facts
- Covered entity
- Fred Hutchinson Cancer Center
- Entity type
- Healthcare Provider
- State
- Washington
- Individuals affected
- 1,840,927
- Submission date
- Dec 22, 2023
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE), Fred Hutchinson Cancer Center, reported that it experienced a hacking incident that affected the protected health information (PHI) of approximately 1,840,927 individuals who were patients of the CE. The PHI involved included demographic and treatment information. The CE notified HHS, the affected individuals, the media, and posted substitute notice on its website. In response to the breach, the CE provided free credit monitoring to the affected individuals, and imple...
Text as published on the HHS OCR breach portal.
Other reports by Fred Hutchinson Cancer Center
| Covered entity | State | Entity type | Individuals | Submitted | Type of breach | Status |
|---|---|---|---|---|---|---|
| Fred Hutchinson Cancer Center | WA | Healthcare Provider | 20,192 | Dec 26, 2023 | Loss | Archive (closed) |
| Fred Hutchinson Cancer Center | WA | Healthcare Provider | 89,111 | May 25, 2022 | Hacking/IT Incident | Archive (closed) |
Frequently asked questions
How many people were affected by the Fred Hutchinson Cancer Center data breach?
The report to HHS OCR lists 1,840,927 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Dec 22, 2023.
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 Fred Hutchinson Cancer Center 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 Fred Hutchinson Cancer Center.