Michigan · State rollup
Healthcare data breaches in Michigan, 2026.
19 HHS OCR-reported healthcare data breaches affecting 1.1M Michigan residents. 5 attributed to ransomware groups. Each entry below names the provider, the data exposed, and the steps to take if you received a notification letter.
Date Type Organization Affected
Hacking Exclusive Physicians PLLC 58,000 Vendor breach Trinity Health Corporation 2,740 Ransomware 44North 2,158 Ransomware Waterford Surgical Center 9,000 Ransomware The Center for Neuropsychology and Learning, PC 3,722 Ransomware Mid Michigan Medical Billing Service, Inc. 28,185 Hacking HAP (Health Alliance Plan) 1,059 Hacking Reproductive Medicine Associates of Michigan 501 Unauthorized access Henry Ford Health 1,984 Hacking Judson Center 976 Hacking Health Management Systems of America 4,213 Hacking McKenzie Memorial Hospital 58,839 Hacking Arbor Associates, Inc. 17,040 Hacking Complete Care Rehab LLC 4,764 Ransomware McLaren Health Care 743,131 Hacking Clarkston Chiropractic Sports & Wellness 2,757 Hacking Renkim Corporation 105,518 Hacking Western Wayne Family Physicians 62,000 Hacking Ingham County Medical Care Facility, d/b/a Dobie Road 3,078