MI · HHS OCR reports
HIPAA breaches in Michigan
HIPAA breaches affecting 500 or more individuals reported to HHS OCR by covered entities listed in Michigan.
Reports
241
Individuals affected
16,131,814
Under investigation
26
Top type: Hacking/IT Incident
State breach notification law
Mich. Comp. Laws §§ 445.61-445.79d (Identity Theft Protection Act) (Identity Theft Protection Act) (amended 2018)
Timing: Without unreasonable delay Michigan requires businesses and persons to notify affected individuals
Read the Michigan data breach notification law summaryAll reports, newest first
Page 1 of 5. 241 reports.
| Covered entity | Entity type | Individuals | Submitted | Type of breach | Status |
|---|---|---|---|---|---|
| Advanced Radiology Services, P.C. | Healthcare Provider | 826 | Sep 16, 2026 | Hacking/IT Incident | Under investigation |
| Baraga County Memorial Hospital | Healthcare Provider | 501 | Aug 21, 2026 | Hacking/IT Incident | Under investigation |
| Associated Endocrinologists | Healthcare Provider | 4,979 | Jul 29, 2026 | Hacking/IT Incident | Under investigation |
| Parkhurst Chiropractic Life Center PLC | Healthcare Provider | 728 | Jul 14, 2026 | Unauthorized Access/Disclosure | Under investigation |
| Optalis Management Solutions | Healthcare Provider | 13,723 | Jun 29, 2026 | Hacking/IT Incident | Under investigation |
| Cherry Street Services, Inc. | Healthcare Provider | 501 | Jun 18, 2026 | Hacking/IT Incident | Under investigation |
| Dr. Erick Perroud | Healthcare Provider | 7,692 | Jun 10, 2026 | Hacking/IT Incident | Under investigation |
| Trinity Health System | Business Associate | 2,480 | Jun 10, 2026 | Unauthorized Access/Disclosure | Archive (closed) |
| Michigan Surgical Center, LLC | Healthcare Provider | 7,578 | Jun 9, 2026 | Hacking/IT Incident | Under investigation |
| Trinity Health | Business Associate | 5,905 | May 13, 2026 | Unauthorized Access/Disclosure | Archive (closed) |
| University of Michigan/Michigan Medicine | Healthcare Provider | 551 | May 1, 2026 | Unauthorized Access/Disclosure | Under investigation |
| Hematology Oncology Consultants | Healthcare Provider | 62,972 | Apr 24, 2026 | Hacking/IT Incident | Under investigation |
| Waterford Surgical Center | Healthcare Provider | 9,000 | Mar 30, 2026 | Hacking/IT Incident | Under investigation |
| Trinity Health | Business Associate | 2,740 | Mar 13, 2026 | Unauthorized Access/Disclosure | Under investigation |
| Exclusive Physicians PLLC | Healthcare Provider | 58,000 | Mar 6, 2026 | Hacking/IT Incident | Under investigation |
| University of Michigan Health Plan | Health Plan | 2,315 | Feb 26, 2026 | Unauthorized Access/Disclosure | Archive (closed) |
| 44North | Business Associate | 2,158 | Feb 16, 2026 | Hacking/IT Incident | Under investigation |
| The Center for Neuropsychology and Learning, PC | Healthcare Provider | 3,722 | Jan 9, 2026 | Hacking/IT Incident | Under investigation |
| Mid Michigan Medical Billing Service, Inc. | Business Associate | 28,185 | Jan 5, 2026 | Hacking/IT Incident | Under investigation |
| Health Alliance Plan | Health Plan | 1,059 | Dec 22, 2025 | Hacking/IT Incident | Archive (closed) |
| Reproductive Medicine Associates of Michigan | Healthcare Provider | 501 | Dec 19, 2025 | Hacking/IT Incident | Under investigation |
| Henry Ford Health | Healthcare Provider | 1,984 | Nov 26, 2025 | Unauthorized Access/Disclosure | Under investigation |
| Bosch Choice Welfare Benefit Plan | Health Plan | 55,000 | Oct 31, 2025 | Hacking/IT Incident | Archive (closed) |
| Judson Center | Healthcare Provider | 976 | Oct 31, 2025 | Hacking/IT Incident | Under investigation |
| Health Management Systems of America | Healthcare Provider | 4,213 | Oct 27, 2025 | Hacking/IT Incident | Under investigation |
| Sturgis Hospital | Health Plan | 77,771 | Sep 18, 2025 | Hacking/IT Incident | Archive (closed) |
| Sturgis Hospital | Healthcare Provider | 77,771 | Sep 18, 2025 | Hacking/IT Incident | Archive (closed) |
| Munson Healthcare | Healthcare Provider | 1,186 | Sep 17, 2025 | Unauthorized Access/Disclosure | Archive (closed) |
| Aspire Rural Health System | Healthcare Provider | 138,386 | Aug 20, 2025 | Unauthorized Access/Disclosure | Archive (closed) |
| University of Michigan/Michigan Medicine | Healthcare Provider | 1,015 | Aug 13, 2025 | Unauthorized Access/Disclosure | Archive (closed) |
| McKenzie Memorial Hospital | Healthcare Provider | 58,839 | Jul 24, 2025 | Hacking/IT Incident | Under investigation |
| Complete Care Rehab LLC | Healthcare Provider | 4,764 | Jul 8, 2025 | Hacking/IT Incident | Archive (closed) |
| Arbor Associates, Inc. | Business Associate | 17,040 | Jul 3, 2025 | Hacking/IT Incident | Under investigation |
| McLaren Health Care | Healthcare Provider | 743,131 | Jun 24, 2025 | Hacking/IT Incident | Under investigation |
| Clarkston Chiropractic Sports & Wellness | Healthcare Provider | 2,757 | Jun 11, 2025 | Hacking/IT Incident | Under investigation |
| Jupiter Family Medicine PC | Healthcare Provider | 3,000 | Jun 5, 2025 | Unauthorized Access/Disclosure | Archive (closed) |
| Renkim Corporation | Business Associate | 105,518 | Jun 2, 2025 | Hacking/IT Incident | Archive (closed) |
| Benefits Partner, LLC dba Salus Group* | Business Associate | 40,177 | Apr 8, 2025 | Hacking/IT Incident | Archive (closed) |
| Western Wayne Family Physicians | Healthcare Provider | 62,000 | Mar 26, 2025 | Hacking/IT Incident | Archive (closed) |
| PAR Rehab | Healthcare Provider | 4,300 | Mar 21, 2025 | Hacking/IT Incident | Archive (closed) |
| Special Tree Ltd. | Healthcare Provider | 3,820 | Mar 20, 2025 | Hacking/IT Incident | Archive (closed) |
| Hand & Plastic Surgery Centre, PLC | Healthcare Provider | 19,846 | Mar 7, 2025 | Hacking/IT Incident | Archive (closed) |
| Catholic Charities West Michigan | Healthcare Provider | 45,115 | Feb 6, 2025 | Hacking/IT Incident | Archive (closed) |
| St Clair Orthopaedics & Sports Medicine | Healthcare Provider | 340,000 | Jan 30, 2025 | Hacking/IT Incident | Archive (closed) |
| Ingham County Medical Care Facility, d/b/a Dobie Road | Healthcare Provider | 3,078 | Jan 5, 2025 | Hacking/IT Incident | Archive (closed) |
| PrintComm, Inc. | Business Associate | 3,864 | Jan 2, 2025 | Unauthorized Access/Disclosure | Archive (closed) |
| Vickers Engineering, Inc. | Health Plan | 857 | Dec 20, 2024 | Hacking/IT Incident | Archive (closed) |
| Continental Cafe Holdings, LLC Health Plan | Health Plan | 5,039 | Nov 27, 2024 | Hacking/IT Incident | Archive (closed) |
| East Paris Internal Medicine Associates, PC | Healthcare Provider | 5,239 | Nov 22, 2024 | Unauthorized Access/Disclosure | Archive (closed) |
| Green Castle Recovery Center DBA, Sanford Behavioral Health | Healthcare Provider | 703 | Nov 22, 2024 | Hacking/IT Incident | Archive (closed) |
Source: HHS OCR Breach Portal, OCR export October 2026.