WI · HHS OCR reports
HIPAA breaches in Wisconsin
HIPAA breaches affecting 500 or more individuals reported to HHS OCR by covered entities listed in Wisconsin.
Reports
126
Individuals affected
12,717,130
Under investigation
12
Top type: Hacking/IT Incident
State breach notification law
Wis. Stat. § 134.98 (Trade Regulations - Notice of Unauthorized Acquisition of Personal Information) (amended 2007)
Timing: 45 days Wisconsin requires entities (including businesses) to notify affected individuals within a
Read the Wisconsin data breach notification law summaryAll reports, newest first
Page 2 of 3. 126 reports.
| Covered entity | Entity type | Individuals | Submitted | Type of breach | Status |
|---|---|---|---|---|---|
| OneTouchPoint, Inc. | Business Associate | 4,112,892 | Jul 27, 2022 | Hacking/IT Incident | Archive (closed) |
| OPEN ARMS ASSISTED LIVING | Business Associate | 6,000 | Jul 15, 2022 | Unauthorized Access/Disclosure | Archive (closed) |
| Wisconsin Department of Health Services | Health Plan | 1,698 | Jul 8, 2022 | Hacking/IT Incident | Archive (closed) |
| Southwest Health Center | Healthcare Provider | 46,142 | Jul 5, 2022 | Hacking/IT Incident | Archive (closed) |
| 90 Degree Benefits, Inc. | Business Associate | 172,450 | Jun 9, 2022 | Hacking/IT Incident | Archive (closed) |
| Kenosha Community Health Center | Healthcare Provider | 2,688 | May 3, 2022 | Hacking/IT Incident | Archive (closed) |
| Walworth County, Wisconsin | Healthcare Provider | 1,212 | Jan 18, 2022 | Hacking/IT Incident | Archive (closed) |
| Advocate Aurora Health | Healthcare Provider | 1,729 | Dec 28, 2021 | Loss | Archive (closed) |
| Lakeshore Dental | Business Associate | 2,000 | Sep 1, 2021 | Unauthorized Access/Disclosure | Archive (closed) |
| Wisconsin Institute of Urology S.C. | Healthcare Provider | 4,819 | Aug 5, 2021 | Hacking/IT Incident | Archive (closed) |
| Advocate Aurora Health | Healthcare Provider | 68,707 | Jul 16, 2021 | Hacking/IT Incident | Archive (closed) |
| Forefront Dermatology, S.C. | Healthcare Provider | 2,413,553 | Jul 8, 2021 | Hacking/IT Incident | Archive (closed) |
| University of Wisconsin Hospitals and Clinics Authority | Healthcare Provider | 4,563 | Jun 18, 2021 | Hacking/IT Incident | Archive (closed) |
| Wisconsin Department of Health Services | Health Plan | 2,868 | Jun 4, 2021 | Hacking/IT Incident | Archive (closed) |
| Dean Health Servicing Company | Business Associate | 1,025 | May 26, 2021 | Hacking/IT Incident | Archive (closed) |
| Hand to Shoulder Specialists of Wisconsin Ltd. | Healthcare Provider | 39,317 | Apr 28, 2021 | Hacking/IT Incident | Archive (closed) |
| NPS Corporation | Health Plan | 999 | Apr 28, 2021 | Hacking/IT Incident | Archive (closed) |
| Werner Electric Supply | Health Plan | 907 | Apr 28, 2021 | Hacking/IT Incident | Archive (closed) |
| Pediatric Associates of Milwaukee | Healthcare Provider | 8,160 | Apr 22, 2021 | Hacking/IT Incident | Archive (closed) |
| Fort HealthCare Inc. | Healthcare Provider | 784 | Apr 1, 2021 | Hacking/IT Incident | Archive (closed) |
| Walworth County Department of Health and Human Services | Healthcare Provider | 907 | Mar 12, 2021 | Unauthorized Access/Disclosure | Archive (closed) |
| Merrill Iron & Steel Health Benefit Plan | Health Plan | 899 | Jan 21, 2021 | Hacking/IT Incident | Archive (closed) |
| Wisconsin Department of Health Services | Health Plan | 1,281 | Jan 15, 2021 | Hacking/IT Incident | Archive (closed) |
| Froedtert Health | Healthcare Provider | 760 | Jan 15, 2021 | Unauthorized Access/Disclosure | Archive (closed) |
| One Touch Point | Business Associate | 500 | Nov 23, 2020 | Unauthorized Access/Disclosure | Archive (closed) |
| The Medical College of Wisconsin, Inc. | Healthcare Provider | 5,655 | Oct 11, 2020 | Hacking/IT Incident | Archive (closed) |
| Froedtert & the Medical College of Wisconsin Community Physicians, Inc. | Healthcare Provider | 3,074 | Oct 9, 2020 | Hacking/IT Incident | Archive (closed) |
| Lifetime Middleton LLC | Healthcare Provider | 1,900 | Sep 23, 2020 | Theft | Archive (closed) |
| Advocate Aurora Health | Healthcare Provider | 2,979 | Sep 4, 2020 | Unauthorized Access/Disclosure | Archive (closed) |
| Advocate Aurora Health | Healthcare Provider | 1,907 | Aug 14, 2020 | Unauthorized Access/Disclosure | Archive (closed) |
| US HealthCenter, Inc. | Business Associate | 1,441 | Jul 16, 2020 | Hacking/IT Incident | Archive (closed) |
| Wisconsin Department of Corrections | Healthcare Provider | 1,853 | Jul 15, 2020 | Unauthorized Access/Disclosure | Archive (closed) |
| Advocate Aurora Health | Healthcare Provider | 27,137 | Apr 16, 2020 | Hacking/IT Incident | Archive (closed) |
| EVERSANA | Healthcare Provider | 5,000 | Apr 7, 2020 | Hacking/IT Incident | Archive (closed) |
| Rainbow Hospice Care, Inc. | Healthcare Provider | 2,029 | Feb 21, 2020 | Hacking/IT Incident | Archive (closed) |
| Wisconsin Department of Corrections | Healthcare Provider | 1,041 | Aug 8, 2019 | Unauthorized Access/Disclosure | Archive (closed) |
| Wisconsin Diagnostic Laboratories | Healthcare Provider | 68,212 | Aug 2, 2019 | Hacking/IT Incident | Archive (closed) |
| Security Health Plan of Wisconsin, Inc. | Health Plan | 3,657 | Jul 19, 2019 | Hacking/IT Incident | Archive (closed) |
| Mercy Health System Corporation | Healthcare Provider | 5,946 | Jul 2, 2019 | Hacking/IT Incident | Archive (closed) |
| Fort HealthCare, Inc. | Healthcare Provider | 19,000 | May 8, 2019 | Hacking/IT Incident | Archive (closed) |
| OS, Inc. | Business Associate | 7,880 | May 2, 2019 | Hacking/IT Incident | Archive (closed) |
| Lakeland Care, Inc. | Healthcare Provider | 1,300 | Feb 4, 2019 | Hacking/IT Incident | Archive (closed) |
| WEA Insurance Corporation | Health Plan | 850 | Dec 27, 2018 | Hacking/IT Incident | Archive (closed) |
| Adams County | Healthcare Provider | 258,120 | Dec 11, 2018 | Unauthorized Access/Disclosure | Archive (closed) |
| Reichert Prosthetics & Orthotics, LLC | Healthcare Provider | 3,380 | Sep 28, 2018 | Theft | Archive (closed) |
| Dean Health Plan | Health Plan | 1,311 | Jun 15, 2018 | Unauthorized Access/Disclosure | Archive (closed) |
| RISE Wisconsin, Inc. | Healthcare Provider | 3,731 | Jun 7, 2018 | Hacking/IT Incident | Archive (closed) |
| Scenic Bluffs Health Center Inc | Healthcare Provider | 2,889 | Apr 24, 2018 | Hacking/IT Incident | Archive (closed) |
| Wisconsin Department of Health Services | Health Plan | 779 | Apr 3, 2018 | Theft | Archive (closed) |
| QuadMed, LLC (Whirlpool) | Healthcare Provider | 4,549 | Jan 29, 2018 | Unauthorized Access/Disclosure | Archive (closed) |
Source: HHS OCR Breach Portal, OCR export October 2026.