HHS OCR report ยท 2016
21st Century Oncology data breach
OCR report facts
- Covered entity
- 21st Century Oncology
- Entity type
- Healthcare Provider
- State
- Florida
- Individuals affected
- 2,213,597
- Submission date
- Mar 4, 2016
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- No
- Status
- Archive (closed)
OCR description
Failure to protect the health records of millions of persons costs entity millions of dollars 21st Century Oncology, Inc. (21CO) has agreed to pay $2.3 million in lieu of potential civil money penalties to the U.S. Department of Health and Human Services (HHS) Office for Civil Rights (OCR) and adopt a comprehensive corrective action plan to settle potential violations of the Health Insurance Portability and Accountability Act (HIPAA) Privacy and Security Rules. 21CO is a provider of cancer ca...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the 21st Century Oncology data breach?
The report to HHS OCR lists 2,213,597 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Mar 4, 2016.
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 21st Century Oncology 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 21st Century Oncology.