UChicago Medicine Medical Group
ent_e7f77954d6af688e2114b640
Disclosures
4
State AG · HHS OCR · 3 jurisdictions
Multi-filing incidents
1
incidents joining 2+ filings here
Max affected reported
38,656
nationwide · State AG IN
Leak-site claims
0
none in sample
Identity resolution
- Canonical name
- UChicago Medicine Medical Group
- Normalized
- uchicago medicine medical— 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
Disclosure history (4)newest first
- Massachusetts State AGas victim2025-05-23
UChicago Medicine Medical Group reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-05-23. 2 Massachusetts residents were affected.
- Indiana State AGas victim2025-05-23
UChicago Medicine Medical Group reported a data breach to the Indiana Attorney General. The breach occurred on 2024-07-05 and was reported on 2025-05-23. 1,694 Indiana residents were affected. 38,656 individuals affected in total.
- ILLINOISHHS OCRas victim2025-05-23
UChicago Medicine Medical Group reported to HHS on 2025-05-23 a Hacking/IT Incident affecting 38,656 individuals. Breached information located on Network Server. The incident involved PHI including names, SSNs, addresses, DOBs, claims, diagnoses, and treatment info. The entity provided credit monitoring and implemented additional safeguards.
- Illinois State AGas victim2025-05-01
UCHICAGO MEDICINE MEDICAL GROUP filed a data-breach notice with the Illinois Attorney General in May 2025 (case 25-05-168). The register records the breach as discovered on July 5, 2024. Personal information types reported: medical information, ssn. 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.