HHS OCR report ยท 2026
Meridian Health Plan of Illinois data breach
OCR report facts
- Covered entity
- Meridian Health Plan of Illinois
- Entity type
- Health Plan
- State
- Illinois
- Individuals affected
- 21,027
- Submission date
- Jun 19, 2026
- Type of breach
- Unauthorized Access/Disclosure
- Location of breached information
- Network Server
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE), Meridian Health Plan of Illinois, reported that several of its employees impermissibly granted some providers access to its network, which affected the protected health information (PHI) of 21,027 individuals. The PHI involved included clinical and demographic information. The CE notified HHS, the affected individuals, the media, and provided substitute notice. In response to the breach, the CE implemented additional administrative, technical, and security safeguard...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Meridian Health Plan of Illinois data breach?
The report to HHS OCR lists 21,027 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Jun 19, 2026.
What type of breach was it?
The OCR portal lists the type of breach as Unauthorized Access/Disclosure, 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 Meridian Health Plan of Illinois 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 Meridian Health Plan of Illinois.