HHS OCR report · 2017
St. Mark's Surgical Center, LLC data breach
OCR report facts
- Covered entity
- St. Mark's Surgical Center, LLC
- Entity type
- Healthcare Provider
- State
- Florida
- Individuals affected
- 33,877
- Submission date
- Aug 9, 2017
- 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), St. Mark’s Surgical Center, reported a ransomware attack on its computer server. The protected health information (PHI) involved in the incident included patients’ names, addresses, dates of birth, driver licenses, social security information, diagnoses and conditions, lab results, and medications and affected approximately 33,877 individuals. The CE provided breach notification to HHS, affected individuals, and the media. Subsequent to the breach, the CE upgraded ...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the St. Mark's Surgical Center, LLC data breach?
The report to HHS OCR lists 33,877 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Aug 9, 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: 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 St. Mark's Surgical Center, LLC 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 St. Mark's Surgical Center, LLC.