HHS OCR report · 2023
Dakota Eye Institute data breach
OCR report facts
- Covered entity
- Dakota Eye Institute
- Entity type
- Healthcare Provider
- State
- North Dakota
- Individuals affected
- 107,143
- Submission date
- Oct 23, 2023
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- No
- Status
- Archive (closed)
OCR description
Dakota Eye Institute, the covered entity (CE), reported that it experienced a ransomware attack that compromised the protected health information (PHI) of 107,143 individuals. The PHI involved included names, addresses, dates of birth, drivers’ license information, diagnoses, medications, and other treatment information. The CE notified HHS, affected individuals, and the media, as well as implemented additional administrative, technical, and security safeguards to better protect its PHI.
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Dakota Eye Institute data breach?
The report to HHS OCR lists 107,143 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Oct 23, 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 Dakota Eye Institute 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 Dakota Eye Institute.