2026 · Annual rollup

2026 healthcare data breaches, in full.

Every US healthcare data breach disclosed to HHS OCR in calendar year 2026, cross-referenced against entity notices, state AG filings, plaintiff-firm investigations, and ransomware leak-site postings.

Tracked

125

Affected

11.0M

Ransomware

40

Leaked

41

May 2026 3 incidents

April 2026 27 incidents

Unauthorized access City Health, a medical corporation 65,000 Hacking Exclusive Physicians PLLC 58,000 Hacking Integrated Pain Associates 500 Ransomware Mt. Spokane Pediatrics 32,021 Unauthorized access Ouster, Inc. 574 Ransomware Tri-Cities Gastroenterology, P.C. 67,115 Ransomware Rocky Mountain Associated Physicians, P.C. 50,640 Hacking Prime-Care 12 Priority Health, Inc. 1,000 Phishing Aligned Orthopedic Partners 7,213 Hacking Innovative Scientific Solutions, LLC 143,842 Hacking University of Nebraska Medical Center 26,937 Vendor breach Amedisys 9,111 Vendor breach Liberty Bankers Life Insurance Co. 20,202 Hacking Mazzola Mardon, P.C. 2,123 Phishing Defense Health Agency 1,300 Hacking CardioFit Medical Group, Inc. 7,243 Phishing C.A.R.E. Clinic 500 Phishing Springfield Hospital 5,892 Phishing Interventional Pain Center, PLLC 3,171 Phishing Option Care Health, Inc. 1,891 Phishing Option Care Health, Inc. 2,086 Hacking Pinnacle Holdings, LTD 18,313 Ransomware Heart South Cardiovascular Group, P.C. 46,666 Ransomware Hospital Caribbean Medical Center 92,000 Hacking LifeSpring Home Care 7,509 Phishing Village Heart & Vein Center 687 Ransomware Southern Illinois Dermatology 160,312

March 2026 29 incidents

Ransomware Woodfords Family Services 38,061 Hacking Corporación de Servicios Médicos Primarios y Prevención de Hatillo 24,236 Hacking Cullen/Frost Bankers, Inc. 4,698 Vendor breach Securian Financial 500 Hacking Coastal Carolina Health Care, PA 110,304 Hacking Mays Housecall Home Health, Inc. 5,208 Ransomware Orem Eye Clinic 5,800 Ransomware The South Alabama Regional Planning Commission 3,043 Hacking OpenLoop Health, Inc. 716,000 Ransomware MedPeds Associates of Sarasota 22,017 Hacking illumifin Corporation 5,385 Vendor breach Lena Health 3,651 Vendor breach Trinity Health Corporation 2,740 Hacking True RCM 1,247 Vendor breach University of Pittsburgh Medical Center 687 Ransomware Good Samaritan Health Center 10,000 Vendor breach Team Select 949 Ransomware Austin Plastic & Reconstructive Surgery 4,266 Phishing Delta Medical Systems, Inc. 1,574 Physical theft Renovo Chiropractic & Wellness LLC 538 Phishing Barrio Comprehensive Family Health Care Center 19,971 Hacking Cedar Valley Hospice 10,666 Ransomware Community Health Action of Staten Island 501 Unauthorized access Metrocare Services 602 Hacking North Texas Behavioral Health Authority 285,086 Phishing Saint Anthony Hospital 146,108 Hacking Tieu Dental Corporation 8,918 Hacking Longevity Health Plan 15,000 Hacking Murray County Medical Center 5,073

February 2026 36 incidents

Vendor breach Access Information Management Shared Services, LLC 1,522 Vendor breach Insurance ACE / Humana Inc. 1,000 Unauthorized access Aetna 10,888 Hacking IPPC Inc., IPPC of New York LLC, and Innovative Pharmacy LLC 133,862 Hacking Lakeside Pediatrics & Adolescent Medicine, PLLC 34,154 Vendor breach LHC Group 8,644 Phishing Nephrology Associates Medical Group, Inc. 4,631 Ransomware BMG of Kansas, Inc. 1,327 Ransomware Couve Healthcare Consulting, LLC DBA Evergreen Healthcare Group 11,795 Ransomware Manhattan Retirement Foundation d/b/a Meadowlark Hills 14,442 Hacking QualDerm Partners, LLC 3.1M Hacking The Center for Advanced Eye Care 9,300 Vendor breach Benton County Health 1,476 Ransomware Builders FirstSource Flex Plan 1,514 Ransomware Resource Corporation of America 501 Ransomware Easterseals Arc of Northeast Indiana 3,158 Hacking Emanuel Medical Center 28,963 Ransomware 44North 2,158 Hacking AltaMed Health Services Corporation 501 Ransomware Academic Urology & Urogynecology of Arizona 73,281 Ransomware National Association on Drug Abuse Problems 90,000 Hacking VPS Medical PLLC 4,600 Hacking Alexes Hazen MD, PLLC 500 Hacking Cedar Point Health, LLC 23,114 Hacking Counseling Center of Wayne & Holmes Counties 83,354 Ransomware Wendy Foster OD 20,000 Ransomware Cottage Hospital 2,156 Hacking Marin Cancer Care 501 Phishing Triad Radiology Associates 11,011 Hacking TriZetto Provider Solutions 3.4M Ransomware Apex Spine & Neurosurgery, LLC 2,500 Hacking WIRX Pharmacy 20,047 Ransomware Issaqueena Pediatric Dentistry PA 501 Phishing Personalis, Inc. 650 Ransomware ApolloMD Business Services, LLC 626,540 Phishing Fair Oaks Ortho P.C. 1,544

January 2026 30 incidents

Vendor breach BAYADA Home Health Care, Inc. 9,526 Ransomware High Point Treatment Center, Inc. 25,832 Insider threat Health and Hospital Corporation of Marion County 792 Unauthorized access Cashflow Solutions, LLC 1,007 Hacking Clinic Service Corporation 82,331 Ransomware Wound Technology Network, Inc. 139,830 Hacking Central States Dermatology Services, LLC 4,626 Vendor breach Coastal Skin Surgery & Dermatology 6,173 Ransomware Pecan Tree Dental, PLLC 13,300 Ransomware Jefferson-Blount-St. Clair Mental Health Authority 30,434 Ransomware Precipio, Inc. 4,952 Ransomware Waterford Surgical Center 9,000 Physical theft AdventHealth Daytona Beach 821 Hacking Middlesex Sheriff's Office 501 Ransomware FullBeauty Brands, Inc. Associate Benefits Plan 4,725 Unauthorized access Minnesota Department of Human Services 303,965 Phishing Supportive Home Health 1,415 Ransomware 360 Dental PC 11,273 Hacking Continental Casualty Company 6,086 Phishing Southern Immediate Care, LLC 7,447 Ransomware Tulane University Medical Group 6,556 Phishing Circle Park Behavioral Health Services 7,020 Vendor breach TMG Health, Inc. 2,076 Ransomware Avosina Healthcare Solutions 44,425 Hacking Central Ozarks Medical Center 11,818 Ransomware The Center for Neuropsychology and Learning, PC 3,722 Hacking Home, Hope and Healing, Inc. 500 Hacking Iowa Health and Human Services 3,340 Ransomware Mid Michigan Medical Billing Service, Inc. 28,185 Insider threat Texas Health and Human Services Commission 68,066