Meridian Health Plan of Illinois
ent_5d4f5e4f18415ce2c6ea3457
Disclosures
2
HHS OCR · State AG · 1 jurisdiction
Multi-filing incidents
1
incidents joining 2+ filings here
Max affected reported
21,027
nationwide · HHS OCR IL
Leak-site claims
0
none in sample
Identity resolution
- Canonical name
- Meridian Health Plan of Illinois
- Normalized
- meridian health plan of illinois— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- No match
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- None on record
- Corporate parent
- CENTENE CORPORATION— per SEC Exhibit 21 filing
Disclosure history (2)newest first
- ILLINOISHHS OCRas victim2026-06-19
Meridian Health Plan of Illinois reported to HHS on 2026-06-19 a Unauthorized Access/Disclosure affecting 21,027 individuals. Breached information located on Network Server.
- Illinois State AGas victim2026-06-01
MERIDIAN HEALTH PLAN OF ILLINOIS filed a data-breach notice with the Illinois Attorney General in June 2026 (case 26-06-1265). The register records the breach as discovered on April 28, 2026. Personal information types reported: medical information. Illinois does not publish the number of people affected — 815 ILCS 530/10 permits the Attorney General to publish only the entity name, the types of personal information and the date range.