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 summaryAll reports, newest first
Page 7 of 8. 364 reports.
| Covered entity | Entity type | Individuals | Submitted | Type of breach | Status |
|---|---|---|---|---|---|
| Cook County Health and Hospitals System | Healthcare Provider | 767 | Sep 15, 2014 | Hacking/IT Incident | Archive (closed) |
| Kmart Corporation | Healthcare Provider | 1,866 | Sep 10, 2014 | Unauthorized Access/Disclosure | Archive (closed) |
| Dennis Flynn MD | Healthcare Provider | 13,646 | Aug 19, 2014 | Theft | Archive (closed) |
| Midwest Urological Group | Healthcare Provider | 982 | Jul 30, 2014 | Theft | Archive (closed) |
| Midwest Orthopaedic Center SC | Business Associate | 680 | Jul 23, 2014 | Unauthorized Access/Disclosure | Archive (closed) |
| Walgreen Co. | Healthcare Provider | 540 | Jun 6, 2014 | Theft | Archive (closed) |
| OptumRx | Business Associate | 5,696 | Apr 30, 2014 | Theft | Archive (closed) |
| Presence St. Joseph's Medical Center | Healthcare Provider | 836 | Apr 4, 2014 | Other | Archive (closed) |
| Midwest Orthopaedics at Rush, LLC | Healthcare Provider | 1,256 | Mar 31, 2014 | Hacking/IT Incident | Archive (closed) |
| Stoetzel's Planet Chiropractic | Healthcare Provider | 1,000 | Mar 25, 2014 | Theft | Archive (closed) |
| Kmart Corporation | Healthcare Provider | 16,446 | Feb 10, 2014 | Theft | Archive (closed) |
| Presence Health | Healthcare Provider | 836 | Jan 31, 2014 | Loss | Archive (closed) |
| Cook County Health & Hospitals System | Healthcare Provider | 22,511 | Jan 11, 2014 | Other | Archive (closed) |
| Walgreen Co. | Healthcare Provider | 17,350 | Dec 6, 2013 | Other | Archive (closed) |
| SIU HealthCare | Healthcare Provider | 1,891 | Dec 6, 2013 | Loss, Theft | Archive (closed) |
| Quality Health Claims Consultants, LLC | Business Associate | 1,573 | Dec 6, 2013 | Theft | Archive (closed) |
| City of Chicago | Healthcare Provider | 2,080 | Nov 29, 2013 | Unauthorized Access/Disclosure | Archive (closed) |
| Health Fitness Corporation | Business Associate | 4,837 | Nov 14, 2013 | Theft | Archive (closed) |
| Health Fitness Corporation | Business Associate | 3,804 | Nov 14, 2013 | Theft | Archive (closed) |
| Advocate Health and Hospitals Corporation | Healthcare Provider | 2,237 | Nov 1, 2013 | Theft | Archive (closed) |
| BriovaRx | Healthcare Provider | 1,067 | Oct 14, 2013 | Unauthorized Access/Disclosure | Archive (closed) |
| BlackHawk | Business Associate | 7,120 | Oct 9, 2013 | Hacking/IT Incident | Archive (closed) |
| Advocate Health and Hospitals Corporation d/b/a Advocate Medical Group | Business Associate | 2,029 | Sep 13, 2013 | Hacking/IT Incident | Archive (closed) |
| Dreyer Medical Clinic | Business Associate | 998 | Sep 13, 2013 | Hacking/IT Incident | Archive (closed) |
| ICS Collection Service, Inc. | Business Associate | 1,290 | Sep 6, 2013 | Hacking/IT Incident | Archive (closed) |
| Advocate Health and Hospitals Corporation, d/b/a Advocate Medical Group | Healthcare Provider | 4,029,530 | Aug 23, 2013 | Theft | Archive (closed) |
| Illinois Department of Healthcare and Family Services | Healthcare Provider | 3,133 | Jul 15, 2013 | Hacking/IT Incident | Archive (closed) |
| Family Health Network | Business Associate | 3,133 | Jul 8, 2013 | Other | Archive (closed) |
| Kmart Corporation | Healthcare Provider | 12,542 | Apr 3, 2013 | Theft | Archive (closed) |
| Plexus Group | Business Associate | 500 | Mar 1, 2013 | Unauthorized Access/Disclosure | Archive (closed) |
| RR Donnelley (a sub-BA for UnitedHealth Group) | Business Associate | 8,911 | Jan 30, 2013 | Theft | Archive (closed) |
| Blue Cross Blue Shield | Business Associate | 500 | Nov 29, 2012 | Unauthorized Access/Disclosure | Archive (closed) |
| Maryville Academy | Healthcare Provider | 3,897 | Nov 8, 2012 | Loss | Archive (closed) |
| University of Illinois, College of Nursing | Business Associate | 508 | Nov 2, 2012 | Theft | Archive (closed) |
| SwedishAmerican Health System | Healthcare Provider | 1,500 | Oct 26, 2012 | Theft | Archive (closed) |
| Health Care Service Corporation | Health Plan | 501 | Oct 26, 2012 | Theft | Archive (closed) |
| Central States Southeast and Siouthwest Areas Health & Welfare Fund | Health Plan | 754 | Aug 21, 2012 | Other, Unauthorized Access/Disclosure | Archive (closed) |
| Walgreen Co. | Healthcare Provider | 1,240 | Jul 30, 2012 | Theft | Archive (closed) |
| Northwestern Memorial Hospital | Healthcare Provider | 4,211 | Jul 27, 2012 | Theft | Archive (closed) |
| The Surgeons of Lake County, LLC | Healthcare Provider | 7,067 | Jul 25, 2012 | Hacking/IT Incident | Archive (closed) |
| SwedishAmerican Health System | Healthcare Provider | 1,500 | Jul 12, 2012 | Theft | Archive (closed) |
| Caremark PCS Health, L.L.C. (formerly known as Caremark PCS Health, L.P.) | Business Associate | 3,482 | Mar 23, 2012 | Other | Archive (closed) |
| Chicago Muscoskeletal Institute | Healthcare Provider | 750 | Mar 23, 2012 | Unauthorized Access/Disclosure | Archive (closed) |
| Accretive Health | Business Associate | 14,000 | Feb 6, 2012 | Theft | Archive (closed) |
| Nation Wise Machine Buyers | Business Associate | 2,000 | Dec 9, 2011 | Improper Disposal | Archive (closed) |
| VA Illiana Health Care System | Healthcare Provider | 518 | Sep 23, 2011 | Loss | Archive (closed) |
| HEALTH RESEARCH INSTITUTE, INC., PFEIFFER TREATMENT CENTER | Healthcare Provider | 2,000 | Aug 29, 2011 | Theft | Archive (closed) |
| Capron Rescue Squad District | Healthcare Provider | 815 | Aug 18, 2011 | Unauthorized Access/Disclosure | Archive (closed) |
| Health Care Service Corporation | Health Plan | 501 | Jul 28, 2011 | Theft | Archive (closed) |
| Assurecare Risk Management, Inc. | Business Associate | 25,330 | Jul 21, 2011 | Unauthorized Access/Disclosure | Archive (closed) |
Source: HHS OCR Breach Portal, OCR export October 2026.