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 6 of 8. 364 reports.
| Covered entity | Entity type | Individuals | Submitted | Type of breach | Status |
|---|---|---|---|---|---|
| Riverside Medical Center | Healthcare Provider | 501 | Apr 20, 2018 | Theft | Archive (closed) |
| ATI Holdings, LLC | Business Associate | 2,645 | Apr 13, 2018 | Hacking/IT Incident | Archive (closed) |
| Integrated Rehab Consultants | Healthcare Provider | 4,292 | Apr 9, 2018 | Unauthorized Access/Disclosure | Archive (closed) |
| Walgreen Co. | Healthcare Provider | 910 | Apr 6, 2018 | Theft | Archive (closed) |
| ATI Holdings, LLC | Healthcare Provider | 45,800 | Mar 12, 2018 | Hacking/IT Incident | Archive (closed) |
| Flexible Benefit Service Corporation | Business Associate | 5,123 | Feb 16, 2018 | Hacking/IT Incident | Archive (closed) |
| Central States Southeast and Southwest Areas Health and Welfare Fund | Health Plan | 634 | Jan 23, 2018 | Unauthorized Access/Disclosure | Archive (closed) |
| Franciscan Physician Network of Illinois and Specialty Physicians of Illinois, LLC (formerly known as WellGroup Health Partners, LLC) | Healthcare Provider | 23,000 | Dec 9, 2017 | Loss | Archive (closed) |
| Sinai Health System | Healthcare Provider | 11,347 | Dec 1, 2017 | Hacking/IT Incident | Archive (closed) |
| Cook County Health & Hospitals System | Healthcare Provider | 727 | Oct 27, 2017 | Unauthorized Access/Disclosure | Archive (closed) |
| Riaz Baber, M.D., S.C. | Healthcare Provider | 10,500 | Sep 28, 2017 | Unauthorized Access/Disclosure | Archive (closed) |
| W. W. Grainger, Inc. | Health Plan | 1,594 | Sep 18, 2017 | Theft | Archive (closed) |
| Silver Cross Hospital | Healthcare Provider | 8,862 | Aug 11, 2017 | Unauthorized Access/Disclosure | Archive (closed) |
| Rosalind Franklin University of Medicine | Healthcare Provider | 859 | Jul 9, 2017 | Hacking/IT Incident | Archive (closed) |
| Southern Illinois Hospital Services | Healthcare Provider | 613 | Jun 23, 2017 | Unauthorized Access/Disclosure | Archive (closed) |
| Valley Women's Health, S.C. | Healthcare Provider | 5,155 | Apr 19, 2017 | Hacking/IT Incident | Archive (closed) |
| Walgreen Co. | Healthcare Provider | 4,500 | Feb 3, 2017 | Unauthorized Access/Disclosure | Archive (closed) |
| Black Hawk College | Health Plan | 1,000 | Dec 8, 2016 | Hacking/IT Incident | Archive (closed) |
| Advanced Fertility Center of Chicago | Healthcare Provider | 19,000 | Dec 1, 2016 | Hacking/IT Incident | Archive (closed) |
| Mercy Hospital and Medical Center | Healthcare Provider | 547 | Oct 13, 2016 | Loss | Archive (closed) |
| Baxter Healthcare | Healthcare Provider | 992 | Oct 10, 2016 | Unauthorized Access/Disclosure | Archive (closed) |
| Northwest Community Healthcare | Healthcare Provider | 540 | Oct 7, 2016 | Unauthorized Access/Disclosure | Archive (closed) |
| Village of Oak Park, Illinois | Health Plan | 688 | Aug 18, 2016 | Unauthorized Access/Disclosure | Archive (closed) |
| Autism Home Support Services | Healthcare Provider | 533 | Aug 10, 2016 | Unauthorized Access/Disclosure | Archive (closed) |
| The Carle Foundation | Healthcare Provider | 1,185 | Aug 4, 2016 | Unauthorized Access/Disclosure | Archive (closed) |
| Northwest Oncology & Hematology, S.C. | Healthcare Provider | 1,625 | May 11, 2016 | Unauthorized Access/Disclosure | Archive (closed) |
| Illinois Valley Podiatry Group | Healthcare Provider | 26,588 | Mar 8, 2016 | Hacking/IT Incident | Archive (closed) |
| Walgreen Co. | Healthcare Provider | 880 | Mar 4, 2016 | Theft | Archive (closed) |
| Freeport Memorial Hospital | Healthcare Provider | 1,349 | Feb 26, 2016 | Theft | Archive (closed) |
| Livongo Health, Inc. | Healthcare Provider | 1,950 | Jan 25, 2016 | Unauthorized Access/Disclosure | Archive (closed) |
| Centegra Health System | Healthcare Provider | 2,929 | Dec 1, 2015 | Unauthorized Access/Disclosure | Archive (closed) |
| Rush University Medical Center | Healthcare Provider | 1,529 | Nov 6, 2015 | Unauthorized Access/Disclosure | Archive (closed) |
| Barrington Orthopedic Specialists, Ltd | Healthcare Provider | 1,009 | Sep 24, 2015 | Theft | Archive (closed) |
| Health Care Service Corporation | Health Plan | 501 | Sep 17, 2015 | Theft | Archive (closed) |
| Pediatric Group LLC | Healthcare Provider | 10,000 | Aug 21, 2015 | Hacking/IT Incident | Archive (closed) |
| Walgreen Co. | Healthcare Provider | 8,345 | Aug 7, 2015 | Unauthorized Access/Disclosure | Archive (closed) |
| Heartland Dental, LLC | Business Associate | 2,860 | Jun 24, 2015 | Hacking/IT Incident | Archive (closed) |
| Thomas H. Boyd Memorial Hospital | Healthcare Provider | 8,300 | May 21, 2015 | Unauthorized Access/Disclosure | Archive (closed) |
| Alexian Brothers Medical Center | Healthcare Provider | 632 | May 19, 2015 | Unauthorized Access/Disclosure | Archive (closed) |
| Walgreen Co. | Healthcare Provider | 1,138 | May 1, 2015 | Loss | Archive (closed) |
| University of Illinois at Chicago | Healthcare Provider | 3,000 | Apr 28, 2015 | Theft | Archive (closed) |
| Suburban Lung Associates | Healthcare Provider | 2,984 | Apr 13, 2015 | Unauthorized Access/Disclosure | Archive (closed) |
| Health Plan sponsored by Covenant Ministries of Benevolance | Health Plan | 782 | Apr 3, 2015 | Hacking/IT Incident | Archive (closed) |
| McDermott Will & Emery LLP is the plan sponsor for the McDermott medical plan | Health Plan | 880 | Mar 24, 2015 | Hacking/IT Incident | Archive (closed) |
| Career Education Corporation | Health Plan | 2,743 | Mar 19, 2015 | Hacking/IT Incident | Archive (closed) |
| Tomas, Arturo | Business Associate | 680 | Feb 9, 2015 | Loss | Archive (closed) |
| Northwestern Memorial HealthCare | Healthcare Provider | 2,813 | Dec 23, 2014 | Theft | Archive (closed) |
| Walgreen Co. | Healthcare Provider | 160,000 | Dec 15, 2014 | Other | Archive (closed) |
| Clay County Hospital | Healthcare Provider | 12,621 | Dec 12, 2014 | Unauthorized Access/Disclosure | Archive (closed) |
| South Suburban HIV/AIDS Regional Clinics | Business Associate | 767 | Sep 17, 2014 | Other | Archive (closed) |
Source: HHS OCR Breach Portal, OCR export October 2026.