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IL ยท HHS OCR reports

HIPAA breaches in Illinois

HIPAA breaches affecting 500 or more individuals reported to HHS OCR by covered entities listed in Illinois.

Reports

364

Individuals affected

22,594,404

Under investigation

28

Top type: Hacking/IT Incident

State breach notification law

Statute citation not extracted; see the state legislature website.

Timing: notify in the 'most expedient time possible and without unreasonable delay.' No specific numeric

Read the Illinois data breach notification law summary

All reports, newest first

Page 5 of 8. 364 reports.

HIPAA breach reports from the HHS OCR Breach Portal
Covered entityEntity typeIndividualsSubmittedType of breachStatus
Hillcrest Nursing CenterHealthcare Provider1,030Nov 24, 2020Unauthorized Access/DisclosureArchive (closed)
Lake County Health Department and Community Health CenterHealthcare Provider3,815Nov 5, 2020Unauthorized Access/DisclosureArchive (closed)
Dubuque Community School DistrictHealthcare Provider4,704Oct 30, 2020Hacking/IT IncidentArchive (closed)
OSF HealthCare SystemHealthcare Provider94,171Oct 19, 2020Hacking/IT IncidentArchive (closed)
NorthShore University HealthSystemHealthcare Provider348,746Sep 4, 2020Hacking/IT IncidentArchive (closed)
Northwestern Memorial HealthCareHealthcare Provider55,983Aug 28, 2020Hacking/IT IncidentArchive (closed)
Freeport Regional Health Care FoundationHealthcare Provider80,795Jul 31, 2020Hacking/IT IncidentArchive (closed)
Walgreen Co.Healthcare Provider80,176Jul 24, 2020TheftArchive (closed)
Morneau Shepell LimitedHealthcare Provider1,162Jun 25, 2020Hacking/IT IncidentArchive (closed)
Merit Health Insurance CompanyHealth Plan102,748Jun 12, 2020Hacking/IT IncidentArchive (closed)
JDA eHealth Systems, Inc.Business Associate917Jun 2, 2020Unauthorized Access/DisclosureArchive (closed)
Ann & Robert H. Lurie Children's Hospital of ChicagoHealthcare Provider4,824May 4, 2020Unauthorized Access/DisclosureArchive (closed)
Health Care Service CorporationHealth Plan574Mar 23, 2020Unauthorized Access/DisclosureArchive (closed)
Conagra Brands Welfare Benefit Wrap PlanHealth Plan1,713Mar 6, 2020Unauthorized Access/DisclosureArchive (closed)
Walgreen CompanyHealthcare Provider6,681Feb 28, 2020Unauthorized Access/DisclosureArchive (closed)
Lake County Health DepartmentHealthcare Provider14,488Feb 19, 2020Unauthorized Access/DisclosureArchive (closed)
Hospital Sisters Health SystemHealthcare Provider16,167Jan 31, 2020Hacking/IT IncidentArchive (closed)
Cook County HealthHealthcare Provider2,713Jan 24, 2020Unauthorized Access/DisclosureArchive (closed)
Ann & Robert H. Lurie Children's Hospital of ChicagoHealthcare Provider4,195Dec 26, 2019Unauthorized Access/DisclosureArchive (closed)
Sinai Health SystemHealthcare Provider12,578Dec 13, 2019Hacking/IT IncidentArchive (closed)
Marion Eye Center, LTD.Healthcare Provider811Dec 13, 2019LossArchive (closed)
Walgreen CompanyHealthcare Provider3,700Dec 3, 2019Hacking/IT IncidentArchive (closed)
Katherine Shaw Bethea HospitalHealthcare Provider3,983Nov 30, 2019Hacking/IT IncidentArchive (closed)
Beer Industry - Local Union No. 703 Health and Welfare FundHealth Plan9,279Nov 28, 2019Unauthorized Access/DisclosureArchive (closed)
Illinois Gastroenterology Group, LLCHealthcare Provider1,481Nov 25, 2019Hacking/IT IncidentArchive (closed)
Delta Dental of IllinoisHealth Plan15,466Oct 25, 2019Hacking/IT IncidentArchive (closed)
Wheatland Dental CareBusiness Associate955Oct 24, 2019Hacking/IT IncidentArchive (closed)
Health Care Service CorporationHealth Plan998Sep 6, 2019Unauthorized Access/DisclosureArchive (closed)
The Carle Foundation HospitalHealthcare Provider1,653Aug 22, 2019Hacking/IT IncidentArchive (closed)
IlliniCare Health Plan, Inc.Health Plan3,517Aug 9, 2019Unauthorized Access/DisclosureArchive (closed)
Southwest GastroenterologyHealthcare Provider1,600Jun 28, 2019TheftArchive (closed)
Midwest Medical CenterHealthcare Provider8,010May 10, 2019Hacking/IT IncidentArchive (closed)
Health Care Service CorporationHealth Plan1,182Apr 24, 2019Unauthorized Access/DisclosureArchive (closed)
Center for Sight & HearingHealthcare Provider5,319Apr 18, 2019Hacking/IT IncidentArchive (closed)
Delta Dental of IllinoisBusiness Associate4,216Apr 17, 2019Hacking/IT IncidentArchive (closed)
Delta Dental of IllinoisHealth Plan5,092Apr 16, 2019Hacking/IT IncidentArchive (closed)
Rush University Medical CenterHealthcare Provider44,924Feb 28, 2019Unauthorized Access/DisclosureArchive (closed)
Rush University Medical CenterHealthcare Provider908Feb 11, 2019Unauthorized Access/DisclosureArchive (closed)
HealthFitnessBusiness Associate1,808Jan 25, 2019Unauthorized Access/DisclosureArchive (closed)
DePaul UniversityHealth Plan656Dec 21, 2018Unauthorized Access/DisclosureArchive (closed)
Center for Vitreo-Retinal DiseasesHealthcare Provider20,371Nov 16, 2018Hacking/IT IncidentArchive (closed)
FHN Family Counseling CenterHealthcare Provider4,458Nov 3, 2018TheftArchive (closed)
HealthFitnessBusiness Associate614Oct 28, 2018Unauthorized Access/DisclosureArchive (closed)
HealthFitnessBusiness Associate20,790Oct 15, 2018Unauthorized Access/DisclosureArchive (closed)
HealthFitnessBusiness Associate550Oct 15, 2018Unauthorized Access/DisclosureArchive (closed)
CoreSource, Inc.Business Associate769Aug 3, 2018Unauthorized Access/DisclosureArchive (closed)
Midwestern Regional Medical Center, Inc.Healthcare Provider2,675Jul 12, 2018Unauthorized Access/DisclosureArchive (closed)
Massac County Surgery Center dba Orthopaedic Institute Surgery CenterHealthcare Provider2,000Jun 8, 2018Hacking/IT IncidentArchive (closed)
Walgreen Co.Healthcare Provider703Apr 27, 2018TheftArchive (closed)
Illinois Department of Healthcare and Family ServicesHealth Plan8,000Apr 26, 2018Unauthorized Access/DisclosureArchive (closed)

Source: HHS OCR Breach Portal, OCR export October 2026.