348 healthcare data breaches in 2017

Every breach of health information in 2017, biggest first. Most were reported to HHS, which publishes every breach affecting 500 or more people. A notice with no breach date is listed under the year it was reported.

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Breach	Date	Affected	Source
Commonwealth Health Mar 2017 · 697.8K affected	Mar 2017	697.8K	HHS
Airway Oxygen Jun 2017 · 500K affected	Jun 2017	500K	HHS
Women's Health Care Group of PA Jul 2017 · 300K affected	Jul 2017	300K	HHS
Urology Austin Jan 2017 · 279.7K affected	Jan 2017	279.7K	2 sources ▾ HHS CA AG
Pacific Alliance Medical Center Jun 2017 · 266.1K affected	Jun 2017	266.1K	2 sources ▾ HHS CA AG
Peachtree Neurological Clinic Jul 2017 · 183.5K affected	Jul 2017	183.5K	HHS
Arkansas Oral & Facial Surgery Center Sept 2017 · 128K affected	Sept 2017	128K	HHS
Dallas County Mental Health Mental Retardation Center Nov 2017 · 120.3K affected	Nov 2017	120.3K	HHS
Monument Nov 2017 · 108.6K affected	Nov 2017	108.6K	2 sources ▾ HHS CA AG
McLaren Medical Group, Mid-Michigan Physicians Imaging Center Aug 2017 · 106K affected	Aug 2017	106K	HHS
Harrisburg Gastroenterology Apr 2017 · 93.3K affected	Apr 2017	93.3K	HHS
VisionQuest Eyecare Mar 2017 · 86K affected	Mar 2017	86K	HHS
Washington University School of Medicine Mar 2017 · 80.3K affected	Mar 2017	80.3K	HHS
Emory Healthcare Feb 2017 · 79.9K affected	Feb 2017	79.9K	HHS
Salina Family Healthcare Center Aug 2017 · 77.3K affected	Aug 2017	77.3K	HHS
Stephenville Medical & Surgical Clinic Jan 2017 · 75K affected	Jan 2017	75K	HHS
Morehead Memorial Hospital Sept 2017 · 66K affected	Sept 2017	66K	HHS
Elderplan Aug 2017 · 65.2K affected	Aug 2017	65.2K	HHS
Primary Care Specialists Mar 2017 · 65K affected	Mar 2017	65K	HHS
Enterprise Services Jun 2017 · 56.1K affected	Jun 2017	56.1K	HHS
ABCD Pediatrics, P.A Mar 2017 · 55.4K affected	Mar 2017	55.4K	HHS
Network Health Sept 2017 · 51.2K affected	Sept 2017	51.2K	HHS
Oklahoma Department of Human Services Dec 2017 · 47K affected	Dec 2017	47K	HHS
Torrance Memorial Medical Center Apr 2017 · 46.6K affected	Apr 2017	46.6K	2 sources ▾ HHS CA AG
Henry Ford Health System Jun 2017 · 43.6K affected	Jun 2017	43.6K	HHS
Coplin Health Systems Dec 2017 · 43K affected	Dec 2017	43K	HHS
St. Mark's Surgical Center Aug 2017 · 33.9K affected	Aug 2017	33.9K	HHS
Pulmonary Specialists of Louisville, PSC Nov 2017 · 32K affected	Nov 2017	32K	HHS
Sport and Spine Rehab Aug 2017 · 31.1K affected	Aug 2017	31.1K	HHS
SSM Health Jun 2017 · 29.6K affected	Jun 2017	29.6K	HHS
Inogen Dec 2017 · 29.5K affected	Dec 2017	29.5K	3 sources ▾ HHS CA AG WA AG
ABB Aug 2017 · 28K affected	Aug 2017	28K	2 sources ▾ HHS CA AG
UNC Health Care System Dec 2017 · 27.1K affected	Dec 2017	27.1K	HHS
Arkansas Department of Human Services Sept 2017 · 26K affected	Sept 2017	26K	HHS
Tampa Bay Surgery Center Jun 2017 · 25.8K affected	Jun 2017	25.8K	HHS
WellCare Health Plans Jan 2017 · 24.8K affected	Jan 2017	24.8K	HHS
Franciscan Physician Network of Illinois and Specialty Physicians of Illinois Dec 2017 · 23K affected	Dec 2017	23K	HHS
Cleveland Medical Associates Jun 2017 · 22K affected	Jun 2017	22K	HHS
CBS Consolidated Jul 2017 · 21.9K affected	Jul 2017	21.9K	2 sources ▾ HHS CA AG
Denton Heart Mar 2017 · 21.7K affected	Mar 2017	21.7K	HHS
Lifespan Apr 2017 · 20.4K affected	Apr 2017	20.4K	HHS
Ashland Women's Health Apr 2017 · 19.7K affected	Apr 2017	19.7K	HHS
Leo Edwards, Jr., M.D Feb 2017 · 19.6K affected	Feb 2017	19.6K	HHS
Medical Oncology Hematology Consultants,PA Aug 2017 · 19.2K affected	Aug 2017	19.2K	HHS
Oncology Consultants, P.A Aug 2017 · 19.1K affected	Aug 2017	19.1K	HHS
Durango Family Medicine Jun 2017 · 18.8K affected	Jun 2017	18.8K	HHS
Pacific Ocean Pediatrics May 2017 · 18.6K affected	May 2017	18.6K	HHS
Anthem Jul 2017 · 18.6K affected	Jul 2017	18.6K	HHS
FastHealth Aug 2017 · 18.2K affected	Aug 2017	18.2K	3 sources ▾ HHS CA AG WA AG
Metropolitan Urology Mar 2017 · 17.6K affected	Mar 2017	17.6K	HHS
Neeley-Nemeth May 2017 · 17.1K affected	May 2017	17.1K	HHS
Family Service Rochester Feb 2017 · 17K affected	Feb 2017	17K	HHS
Chase Brexton Health Care Oct 2017 · 16.6K affected	Oct 2017	16.6K	HHS
Hackensack Sleep and Pulmonary Center Nov 2017 · 16.5K affected	Nov 2017	16.5K	HHS
Longs Peak Family Practice Dec 2017 · 16.2K affected	Dec 2017	16.2K	HHS
Institute for Women's Health Aug 2017 · 15.8K affected	Aug 2017	15.8K	HHS
2020 On-Site Optometry Feb 2017 · 15.4K affected	Feb 2017	15.4K	HHS
Western Health Screening Apr 2017 · 15.3K affected	Apr 2017	15.3K	HHS
MetroPlus Health Plan Jan 2017 · 15.2K affected	Jan 2017	15.2K	HHS
Advanced ENT Head & Neck Surgery May 2017 · 15K affected	May 2017	15K	HHS
University of California Davis Health May 2017 · 14.9K affected	May 2017	14.9K	2 sources ▾ HHS CA AG
Diamond Institute for Fertility and Menopause Apr 2017 · 14.6K affected	Apr 2017	14.6K	HHS
American Home Patient Mar 2017 · 13.7K affected	Mar 2017	13.7K	HHS
Family Tree Health Clinic Jun 2017 · 13.4K affected	Jun 2017	13.4K	HHS
Surgical Dermatology Aug 2017 · 13.3K affected	Aug 2017	13.3K	HHS
Mercy Health Love County Hospital and Clinic Sept 2017 · 13K affected	Sept 2017	13K	HHS
The Neurology Foundation Sept 2017 · 12.9K affected	Sept 2017	12.9K	HHS
Hand & Upper Extremity Centers Sept 2017 · 12.8K affected	Sept 2017	12.8K	2 sources ▾ HHS CA AG
Briggs & Stratton Sept 2017 · 12.8K affected	Sept 2017	12.8K	HHS
North Carolina Department of Health and Human Services Feb 2017 · 12.7K affected	Feb 2017	12.7K	HHS
Shop-Rite Supermarkets Nov 2017 · 12.2K affected	Nov 2017	12.2K	HHS
Aetna Jun 2017 · 11.9K affected	Jun 2017	11.9K	HHS
Adult Internal Medicine of North Scottsdale Sept 2017 · 11.8K affected	Sept 2017	11.8K	HHS
Medical Information Management Systems Feb 2017 · 11.7K affected	Feb 2017	11.7K	HHS
Carson Valley Medical Center Apr 2017 · 11.4K affected	Apr 2017	11.4K	HHS
Sinai Health System Dec 2017 · 11.3K affected	Dec 2017	11.3K	HHS
Bluetail Medical Aug 2017 · 11K affected	Aug 2017	11K	HHS
Riaz Baber, M.D., S.C Sept 2017 · 10.5K affected	Sept 2017	10.5K	HHS
Aflac Sept 2017 · 10.4K affected	Sept 2017	10.4K	2 sources ▾ HHS CA AG
Plastic Surgery Associates of South Dakota Jul 2017 · 10.2K affected	Jul 2017	10.2K	HHS
Northeast OB/GYN Associates Aug 2017 · 10.2K affected	Aug 2017	10.2K	HHS
Verity Medical Foundation Jan 2017 · 10.2K affected	Jan 2017	10.2K	2 sources ▾ HHS CA AG
PVHS-ICM Employee Health and Wellness Jul 2017 · 10.1K affected	Jul 2017	10.1K	HHS
White Coats Wellness Jul 2017 · 10K affected	Jul 2017	10K	HHS
Cardiology Center of Acadiana Apr 2017 · 9.7K affected	Apr 2017	9.7K	HHS
The Medical College of Wisconsin Nov 2017 · 9.5K affected	Nov 2017	9.5K	HHS
Golden Rule Insurance Dec 2017 · 9.3K affected	Dec 2017	9.3K	HHS
Madison Street Provider Network Apr 2017 · 9.1K affected	Apr 2017	9.1K	HHS
Harrisburg Endoscopy and Surgery Center Apr 2017 · 9.1K affected	Apr 2017	9.1K	HHS
D. Andrew Loomis MD, Paula Schulze MD,Tammara Stefanelli MD, Christen Vu DO, Anja Crider MD May 2017 · 9K affected	May 2017	9K	HHS
Silver Cross Hospital Aug 2017 · 8.9K affected	Aug 2017	8.9K	HHS
Sports Medicine & Rehabilitation Therapy Nov 2017 · 8.8K affected	Nov 2017	8.8K	HHS
East Central Kansas Area Agency on Aging Oct 2017 · 8.8K affected	Oct 2017	8.8K	HHS
Valley Family Medicine Nov 2017 · 8.5K affected	Nov 2017	8.5K	HHS
Hill Country Memorial Hospital Apr 2017 · 8.4K affected	Apr 2017	8.4K	HHS
Elizabeth L. Brown, MD May 2017 · 8.4K affected	May 2017	8.4K	HHS
MJHS Home Care Aug 2017 · 8.4K affected	Aug 2017	8.4K	HHS
Advanced Spine & Pain Center Sept 2017 · 8.4K affected	Sept 2017	8.4K	HHS
Bronson Healthcare Dec 2017 · 8.3K affected	Dec 2017	8.3K	HHS
Brevard Physician Associates Oct 2017 · 8K affected	Oct 2017	8K	HHS
Sheldon M. Golden O.D., Optometric Nov 2017 · 7.6K affected	Nov 2017	7.6K	2 sources ▾ HHS CA AG
University of Mississippi Medical Center Jul 2017 · 7.5K affected	Jul 2017	7.5K	HHS
Northwest Rheumatology Jul 2017 · 7.5K affected	Jul 2017	7.5K	HHS
West Virginia University Hospitals-East Feb 2017 · 7.4K affected	Feb 2017	7.4K	HHS
Med-Cert Sept 2017 · 7.3K affected	Sept 2017	7.3K	HHS
Columbus Surgery Center Dec 2017 · 7.2K affected	Dec 2017	7.2K	HHS
Pediatric Healthcare Solutions Jun 2017 · 6.9K affected	Jun 2017	6.9K	HHS
Family Medicine East, Chartered Feb 2017 · 6.8K affected	Feb 2017	6.8K	HHS
Ron's Pharmacy Services Oct 2017 · 6.8K affected	Oct 2017	6.8K	2 sources ▾ HHS CA AG
Feinstein and Roe Mds Aug 2017 · 6.6K affected	Aug 2017	6.6K	HHS
Saliba's Extended Care Pharmacy Mar 2017 · 6.6K affected	Mar 2017	6.6K	HHS
Amida Care Sept 2017 · 6.2K affected	Sept 2017	6.2K	HHS
Covenant Medical Center Jan 2017 · 6.2K affected	Jan 2017	6.2K	HHS
Medical Mutual of Ohio Sept 2017 · 6.1K affected	Sept 2017	6.1K	HHS
AU Medical Center May 2017 · 6.1K affected	May 2017	6.1K	HHS
Southwest Community Health Center Jun 2017 · 6K affected	Jun 2017	6K	HHS
Martinsville Henry County Coalition for Health and Wellness Oct 2017 · 5.8K affected	Oct 2017	5.8K	HHS
Humana Apr 2017 · 5.8K affected	Apr 2017	5.8K	HHS
Mo. Dept. of Mental Health Feb 2017 · 5.7K affected	Feb 2017	5.7K	HHS
Community Link Jun 2017 · 5.5K affected	Jun 2017	5.5K	HHS
Children's Mercy Hospital May 2017 · 5.5K affected	May 2017	5.5K	HHS
Muir Medical Group, IPA Dec 2017 · 5.5K affected	Dec 2017	5.5K	2 sources ▾ HHS CA AG
Sentara Healthcare Jan 2017 · 5.5K affected	Jan 2017	5.5K	HHS
Estill County Chiropractic Mar 2017 · 5.3K affected	Mar 2017	5.3K	HHS
University of Iowa Hospitals & Clinics Jun 2017 · 5.3K affected	Jun 2017	5.3K	HHS
Mississippi Division of Medicaid May 2017 · 5.2K affected	May 2017	5.2K	HHS
Valley Women's Health, S.C Apr 2017 · 5.2K affected	Apr 2017	5.2K	HHS
SAGE DENTAL MANAGEMENT Jul 2017 · 5K affected	Jul 2017	5K	HHS
Walnut Place May 2017 · 5K affected	May 2017	5K	HHS
SSM Dean Medical Jan 2017 · 4.8K affected	Jan 2017	4.8K	HHS
Daniel Drake Center for Post-Acute Care Aug 2017 · 4.7K affected	Aug 2017	4.7K	HHS
Princeton Pain Management Jan 2017 · 4.7K affected	Jan 2017	4.7K	HHS
Catholic Charities of the Diocese of Albany Oct 2017 · 4.6K affected	Oct 2017	4.6K	HHS
Chilton Medical Center Dec 2017 · 4.6K affected	Dec 2017	4.6K	HHS
Walgreen Feb 2017 · 4.5K affected	Feb 2017	4.5K	HHS
LC&Z General and Cosmetic Dentistry Jul 2017 · 4.4K affected	Jul 2017	4.4K	HHS
Kaiser Foundation Health Plan Aug 2017 · 4.4K affected	Aug 2017	4.4K	2 sources ▾ HHS CA AG
Cove Family and Sports Medicine Jun 2017 · 4.3K affected	Jun 2017	4.3K	HHS
Behavioral Health Center Apr 2017 · 4.2K affected	Apr 2017	4.2K	HHS
Metropolitan Life Insurance Jul 2017 · 4.2K affected	Jul 2017	4.2K	HHS
Washington Health System Greene Dec 2017 · 4.1K affected	Dec 2017	4.1K	HHS
Capital Nephrology May 2017 · 4K affected	May 2017	4K	HHS
Tarleton Medical Mar 2017 · 3.9K affected	Mar 2017	3.9K	2 sources ▾ HHS CA AG
BEE Reno Dental Dec 2017 · 3.9K affected	Dec 2017	3.9K	HHS
Zachary E. Adkins DDS Nov 2017 · 3.7K affected	Nov 2017	3.7K	2 sources ▾ HHS WA AG
Childrens Hospital of Los Angeles Jan 2017 · 3.6K affected	Jan 2017	3.6K	HHS
New York City Health and Hospitals May 2017 · 3.5K affected	May 2017	3.5K	HHS
Michigan Facial Aesthetic Surgeons Apr 2017 · 3.5K affected	Apr 2017	3.5K	HHS
City of Hope May 2017 · 3.4K affected	May 2017	3.4K	2 sources ▾ HHS CA AG
LKM ENTERPRISES Jun 2017 · 3.4K affected	Jun 2017	3.4K	HHS
Children's Hospital Colorado Sept 2017 · 3.4K affected	Sept 2017	3.4K	HHS
Skin Cancer Specialists Mar 2017 · 3.4K affected	Mar 2017	3.4K	HHS
CCRM Minneapolis Dec 2017 · 3.3K affected	Dec 2017	3.3K	HHS
Spokane VA Medical Center Sept 2017 · 3.3K affected	Sept 2017	3.3K	HHS
Vanderbilt University Medical Center Feb 2017 · 3.2K affected	Feb 2017	3.2K	HHS
The Dermatology Center of Raleigh PA Jul 2017 · 3K affected	Jul 2017	3K	HHS
Iowa Veterans Home Apr 2017 · 3K affected	Apr 2017	3K	HHS
Catalina Post-Acute Care and Rehabilitation Feb 2017 · 3K affected	Feb 2017	3K	HHS
MGA Home Healthcare Colorado Oct 2017 · 2.9K affected	Oct 2017	2.9K	HHS
Saint Thomas Rutherford Hospital Jun 2017 · 2.8K affected	Jun 2017	2.8K	HHS
Kaleida Health Jul 2017 · 2.8K affected	Jul 2017	2.8K	HHS
Pharma Medica Research Jun 2017 · 2.7K affected	Jun 2017	2.7K	HHS
Virginia Commonwealth University Health System Mar 2017 · 2.7K affected	Mar 2017	2.7K	HHS
Eye Physicians Dec 2017 · 2.6K affected	Dec 2017	2.6K	HHS
Professional Counseling & Medical Associates Jul 2017 · 2.5K affected	Jul 2017	2.5K	HHS
Arizona Department of Health Services May 2017 · 2.5K affected	May 2017	2.5K	HHS
Orthopedics NY Oct 2017 · 2.5K affected	Oct 2017	2.5K	HHS
St. Charles Health System Mar 2017 · 2.5K affected	Mar 2017	2.5K	HHS
North Dakota Department of Human Services Jun 2017 · 2.5K affected	Jun 2017	2.5K	HHS
The University of Vermont Medical Center Jul 2017 · 2.3K affected	Jul 2017	2.3K	HHS
California Pacific Orthopaedics and Sports Medicine Jun 2017 · 2.3K affected	Jun 2017	2.3K	HHS
LSU Healthcare Network May 2017 · 2.2K affected	May 2017	2.2K	HHS
Dignity Health Medical Foundation Dec 2017 · 2.2K affected	Dec 2017	2.2K	HHS
NYU School of Medicine Dec 2017 · 2.2K affected	Dec 2017	2.2K	HHS
Alere Toxicology Nov 2017 · 2.1K affected	Nov 2017	2.1K	HHS
BlueCross BlueShield of TN Jul 2017 · 2.1K affected	Jul 2017	2.1K	HHS
Atlantic Digestive Specialists Apr 2017 · 2.1K affected	Apr 2017	2.1K	HHS
Centura Health, Mercy Family Medicine Aug 2017 · 2.1K affected	Aug 2017	2.1K	HHS
UW Health May 2017 · 2K affected	May 2017	2K	HHS
Florida Healthy Kids Sept 2017 · 2K affected	Sept 2017	2K	HHS
Paul C. Gering, Jr., M.D Jun 2017 · 2K affected	Jun 2017	2K	HHS
Atchafalaya Internal Medicine Associates Jun 2017 · 2K affected	Jun 2017	2K	HHS
Toth Enterprises II Jun 2017 · 2K affected	Jun 2017	2K	HHS
N. Fred Eaglstein, D.O May 2017 · 2K affected	May 2017	2K	HHS
Mecklenburg County, North Carolina May 2017 · 2K affected	May 2017	2K	HHS
PeaceHealth Sept 2017 · 2K affected	Sept 2017	2K	HHS
GI Care for Kids Endoscopy Center Jun 2017 · 1.9K affected	Jun 2017	1.9K	HHS
CareMeridian Dec 2017 · 1.9K affected	Dec 2017	1.9K	2 sources ▾ HHS CA AG
Mann-Grandstaff VA Medical Center Oct 2017 · 1.9K affected	Oct 2017	1.9K	HHS
Lane Community College Health Clinic Mar 2017 · 1.9K affected	Mar 2017	1.9K	HHS
MidMichigan Medical Center-Alpena Dec 2017 · 1.9K affected	Dec 2017	1.9K	HHS
Kennebunk Center for Dentistry Jul 2017 · 1.9K affected	Jul 2017	1.9K	HHS
Family & Cosmetic Dentistry of the Rockies Nov 2017 · 1.9K affected	Nov 2017	1.9K	HHS
Blue Cross Blue Shield of Massachusetts Dec 2017 · 1.8K affected	Dec 2017	1.8K	HHS
Texas Health and Human Services Jun 2017 · 1.8K affected	Jun 2017	1.8K	HHS
Women's Care of Somerset Mar 2017 · 1.8K affected	Mar 2017	1.8K	HHS
Urological Associates of Central Jersey P.A Sept 2017 · 1.8K affected	Sept 2017	1.8K	HHS
BioReference Laboratories Apr 2017 · 1.8K affected	Apr 2017	1.8K	HHS
Austin Manual Therapy Associates Dec 2017 · 1.8K affected	Dec 2017	1.8K	HHS
Area Agency of Aging 1-B Apr 2017 · 1.7K affected	Apr 2017	1.7K	HHS
California Physicians’ Service Nov 2017 · 1.7K affected	Nov 2017	1.7K	2 sources ▾ HHS CA AG
Arch City Dental Oct 2017 · 1.7K affected	Oct 2017	1.7K	HHS
John Hancock Life Insurance Oct 2017 · 1.7K affected	Oct 2017	1.7K	HHS
Deering Therapy Services Apr 2017 · 1.7K affected	Apr 2017	1.7K	HHS
Multnomah County Jan 2017 · 1.7K affected	Jan 2017	1.7K	HHS
Indiana Health Centers Sept 2017 · 1.7K affected	Sept 2017	1.7K	HHS
University of Oklahoma, OU Physicians Apr 2017 · 1.6K affected	Apr 2017	1.6K	HHS
Bridget P Early MD Oct 2017 · 1.6K affected	Oct 2017	1.6K	HHS
Jeffrey D. Rice, O.D Feb 2017 · 1.6K affected	Feb 2017	1.6K	HHS
Otolaryngology Associates of Central New Jersey Nov 2017 · 1.6K affected	Nov 2017	1.6K	HHS
Carolina Oncology Specialists Oct 2017 · 1.6K affected	Oct 2017	1.6K	HHS
Detroit Medical Center Jul 2017 · 1.5K affected	Jul 2017	1.5K	HHS
Christine D. Collins, APC & Ann Hofstadter, MD Jul 2017 · 1.5K affected	Jul 2017	1.5K	HHS
Insulet Oct 2017 · 1.5K affected	Oct 2017	1.5K	HHS
Consultants Choice, P.A Sept 2017 · 1.5K affected	Sept 2017	1.5K	HHS
Houston Methodist Hospital Mar 2017 · 1.4K affected	Mar 2017	1.4K	HHS
Indiana University Health Nov 2017 · 1.4K affected	Nov 2017	1.4K	HHS
MDeverywhere Aug 2017 · 1.4K affected	Aug 2017	1.4K	HHS
Molina Healthcare Dec 2017 · 1.4K affected	Dec 2017	1.4K	HHS
Community Health Plan of Washington Jan 2017 · 1.4K affected	Jan 2017	1.4K	HHS
Rocky Mountain Health Maintenance Organization Mar 2017 · 1.3K affected	Mar 2017	1.3K	HHS
University of Maryland Orthopaedic Associates, P.A Jan 2017 · 1.3K affected	Jan 2017	1.3K	HHS
Sutter Valley Medical Foundation Nov 2017 · 1.3K affected	Nov 2017	1.3K	HHS
RiverMend Health Oct 2017 · 1.3K affected	Oct 2017	1.3K	HHS
UNC Health Care Mar 2017 · 1.3K affected	Mar 2017	1.3K	HHS
Local 693 Plumbers & Pipefitters Health & Welfare Fund Mar 2017 · 1.3K affected	Mar 2017	1.3K	HHS
University of South Florida, USF Health Care Dec 2017 · 1.3K affected	Dec 2017	1.3K	HHS
Sound Community Services May 2017 · 1.3K affected	May 2017	1.3K	HHS
SAY San Diego Aug 2017 · 1.3K affected	Aug 2017	1.3K	2 sources ▾ HHS CA AG
South Bend Orthopaedic Associates Aug 2017 · 1.3K affected	Aug 2017	1.3K	HHS
MultiCare Health System Jan 2017 · 1.2K affected	Jan 2017	1.2K	HHS
Clinton County Board of Developmental Disabilities May 2017 · 1.2K affected	May 2017	1.2K	HHS
Beacon Health System May 2017 · 1.2K affected	May 2017	1.2K	HHS
UPMC Susquehanna Nov 2017 · 1.2K affected	Nov 2017	1.2K	HHS
Pharmacy Innovations Dec 2017 · 1.2K affected	Dec 2017	1.2K	HHS
LSU Health Care Services Division Oct 2017 · 1.2K affected	Oct 2017	1.2K	HHS
Braun Dermatology & Skin Cancer Center Jul 2017 · 1.2K affected	Jul 2017	1.2K	HHS
Andrea Yaley, DDS May 2017 · 1.2K affected	May 2017	1.2K	2 sources ▾ HHS CA AG
National DCP Health Plan Aug 2017 · 1.2K affected	Aug 2017	1.2K	HHS
Massachusetts Department of Public Health Jul 2017 · 1.2K affected	Jul 2017	1.2K	HHS
Midland County Hospital District Dec 2017 · 1.2K affected	Dec 2017	1.2K	HHS
Associated Catholic Charities Jan 2017 · 1.1K affected	Jan 2017	1.1K	HHS
Our Lady of the Angels Hospital Sept 2017 · 1.1K affected	Sept 2017	1.1K	HHS
Stephen P. Courtney, M.D Mar 2017 · 1.1K affected	Mar 2017	1.1K	HHS
Capital Prosthetic and Orthotic Center Feb 2017 · 1.1K affected	Feb 2017	1.1K	HHS
Apex EDI Mar 2017 · 1.1K affected	Mar 2017	1.1K	HHS
Gordon Schanzlin New Vision Institute Oct 2017 · 1.1K affected	Oct 2017	1.1K	2 sources ▾ HHS CA AG
Compassion Care Hospice Las Vegas Dec 2017 · 1.1K affected	Dec 2017	1.1K	HHS
TriHealth Jan 2017 · 1.1K affected	Jan 2017	1.1K	HHS
Escambia County Alabama Community Hospitals Jan 2017 · 1.1K affected	Jan 2017	1.1K	HHS
Nova Southeastern University May 2017 · 1.1K affected	May 2017	1.1K	HHS
The MS Center of Saint Louis and Mercy Clinic Neurology Sept 2017 · 1.1K affected	Sept 2017	1.1K	HHS
Ridgeview Medical Center Sept 2017 · 1.1K affected	Sept 2017	1.1K	HHS
Patients Choice Sept 2017 · 1.1K affected	Sept 2017	1.1K	HHS
University of Wisconsin Sept 2017 · 1K affected	Sept 2017	1K	HHS
Highland Rivers Community Service Board Mar 2017 · 967 affected	Mar 2017	967	HHS
Specialty Dental Partners of Philadelphia, PLLC Mar 2017 · 960 affected	Mar 2017	960	HHS
Community Memorial Health System Jun 2017 · 959 affected	Jun 2017	959	2 sources ▾ HHS CA AG
Vertiv Co. Health & Welfare Plan Jan 2017 · 955 affected	Jan 2017	955	HHS
MVP Health Care Apr 2017 · 951 affected	Apr 2017	951	HHS
Florida Blue Oct 2017 · 939 affected	Oct 2017	939	HHS
MN Urology Sept 2017 · 939 affected	Sept 2017	939	HHS
Texas Children's Health Plan Oct 2017 · 932 affected	Oct 2017	932	HHS
Pedes Orange County Nov 2017 · 917 affected	Nov 2017	917	2 sources ▾ HHS CA AG
Walgreen Dec 2017 · 910 affected	Dec 2017	910	2 sources ▾ HHS CA AG
Rocky Mountain Health Care Services Nov 2017 · 909 affected	Nov 2017	909	HHS
Spectrum Health System Aug 2017 · 902 affected	Aug 2017	902	HHS
San Francisco Department of Public Health Dec 2017 · 900 affected	Dec 2017	900	2 sources ▾ HHS CA AG
Robert E Torti, MD, PA Feb 2017 · 887 affected	Feb 2017	887	HHS
Baptist Health Louisville Nov 2017 · 880 affected	Nov 2017	880	HHS
Premier Medical Associates Sept 2017 · 876 affected	Sept 2017	876	HHS
Absolute Dental Hygiene Dec 2017 · 871 affected	Dec 2017	871	HHS
AeroCare May 2017 · 860 affected	May 2017	860	HHS
Rosalind Franklin University of Medicine Jul 2017 · 859 affected	Jul 2017	859	HHS
Memorial Hospital Clinic South Apr 2017 · 842 affected	Apr 2017	842	HHS
Mount Carmel Health System Dec 2017 · 836 affected	Dec 2017	836	HHS
CVS Pharmacy Oct 2017 · 836 affected	Oct 2017	836	HHS
American Urgent Care Center, PSC Jan 2017 · 822 affected	Jan 2017	822	HHS
Iowa Department of Human Services Oct 2017 · 811 affected	Oct 2017	811	HHS
White Blossom Care Center Jun 2017 · 800 affected	Jun 2017	800	2 sources ▾ HHS CA AG
Allina Health System Feb 2017 · 776 affected	Feb 2017	776	HHS
The Lowell General Hospital Nov 2017 · 769 affected	Nov 2017	769	HHS
Sharp Memorial Hospital Feb 2017 · 754 affected	Feb 2017	754	2 sources ▾ HHS CA AG
Lake Hospital System Aug 2017 · 750 affected	Aug 2017	750	HHS
Jones Family Practice, P.A May 2017 · 742 affected	May 2017	742	HHS
Orthodontic Specialists of Green Bay Apr 2017 · 742 affected	Apr 2017	742	HHS
California Correctional Health Care Services Feb 2017 · 738 affected	Feb 2017	738	HHS
WellSpan Health Mar 2017 · 732 affected	Mar 2017	732	HHS
Cook County Health & Hospitals System Oct 2017 · 727 affected	Oct 2017	727	HHS
Blue Cross and Blue Shield of Kansas City May 2017 · 725 affected	May 2017	725	HHS
CVS Health Mar 2017 · 724 affected	Mar 2017	724	HHS
VA St. Louis Health Care System Mar 2017 · 724 affected	Mar 2017	724	HHS
EMERGENCY COVERAGE Oct 2017 · 719 affected	Oct 2017	719	HHS
Shiel Sexton Jan 2017 · 710 affected	Jan 2017	710	HHS
Vision Care Specialists Jul 2017 · 703 affected	Jul 2017	703	HHS
Emblem Health Feb 2017 · 703 affected	Feb 2017	703	HHS
Chadron Community Hospital and Health Services Feb 2017 · 702 affected	Feb 2017	702	HHS
Recovery Institute of the South East P.A Oct 2017 · 689 affected	Oct 2017	689	HHS
Memphis VA Medical Center Mar 2017 · 687 affected	Mar 2017	687	HHS
Memorial Healthcare Apr 2017 · 685 affected	Apr 2017	685	HHS
TJ Samson Community Hospital Oct 2017 · 683 affected	Oct 2017	683	HHS
Braun Internal Medicine Jul 2017 · 680 affected	Jul 2017	680	HHS
Orange County Global Medical Center Feb 2017 · 677 affected	Feb 2017	677	2 sources ▾ HHS CA AG
THE R.O.A.D.S. Foundation Jan 2017 · 670 affected	Jan 2017	670	HHS
Rutland Regional Medical Center Jun 2017 · 665 affected	Jun 2017	665	HHS
The Union Labor Life Insurance Jun 2017 · 664 affected	Jun 2017	664	2 sources ▾ HHS CA AG
Kraig R. Pepper, D.O., P.A Sept 2017 · 653 affected	Sept 2017	653	HHS
University of Alabama at Birmingham Nov 2017 · 652 affected	Nov 2017	652	HHS
Eclectic Chiropractic Rehab Dec 2017 · 650 affected	Dec 2017	650	HHS
Hillsborough County Aging Services Department Feb 2017 · 650 affected	Feb 2017	650	HHS
Adams Industries Jun 2017 · 647 affected	Jun 2017	647	HHS
Unconditional Love Jul 2017 · 643 affected	Jul 2017	643	HHS
St. Louis Children's Hospital Mar 2017 · 643 affected	Mar 2017	643	HHS
Colorado Department of Human Services Dec 2017 · 639 affected	Dec 2017	639	HHS
Mercy Hospital Logan County Aug 2017 · 629 affected	Aug 2017	629	HHS
St. Joseph's Hospital and Medical Center Feb 2017 · 623 affected	Feb 2017	623	HHS
UnitedHealthcare Community Plan of Pennsylvania Dec 2017 · 614 affected	Dec 2017	614	HHS
Southern Illinois Hospital Services Jun 2017 · 613 affected	Jun 2017	613	HHS
Amedisys West Virginia Apr 2017 · 611 affected	Apr 2017	611	HHS
Spine Specialist Apr 2017 · 600 affected	Apr 2017	600	HHS
St. Luke's Medical Center Jan 2017 · 600 affected	Jan 2017	600	HHS
Complete Wellness Jan 2017 · 600 affected	Jan 2017	600	HHS
Tennessee Rural Health Improvement Association Jun 2017 · 588 affected	Jun 2017	588	HHS
Roper St. Francis Healthcare Jan 2017 · 576 affected	Jan 2017	576	HHS
Performance Physical Therapy and Wellness Jul 2017 · 571 affected	Jul 2017	571	HHS
Kennewick General Hospital May 2017 · 569 affected	May 2017	569	HHS
Central Iowa Hospital Dec 2017 · 557 affected	Dec 2017	557	HHS
Miracle-Ear Dec 2017 · 554 affected	Dec 2017	554	HHS
Lifestyle Therapy & Coaching Oct 2017 · 550 affected	Oct 2017	550	HHS
The Affiliated Sante Jan 2017 · 550 affected	Jan 2017	550	HHS
Bay Area Pain and Wellness Center Jun 2017 · 548 affected	Jun 2017	548	HHS
Little River Healthcare Jun 2017 · 542 affected	Jun 2017	542	HHS
Baptist Medical Center South Jun 2017 · 531 affected	Jun 2017	531	HHS
Ledet Family Chiropractic Cener Jul 2017 · 530 affected	Jul 2017	530	HHS
Memorial Hospital Clinic West Apr 2017 · 521 affected	Apr 2017	521	HHS
Department of Human Services, Commonwealth of Pennsylvania Sept 2017 · 517 affected	Sept 2017	517	HHS
Washington State Department of Social and Health Services Nov 2017 · 515 affected	Nov 2017	515	HHS
The Center For Health Care Services Nov 2017 · 501 affected	Nov 2017	501	HHS
State of Alaska Department of Health and Social Services Sept 2017 · 501 affected	Sept 2017	501	HHS
Memphis Pathology Laboratory Dec 2017 · 500 affected	Dec 2017	500	HHS
Clinical Pathology Laboratories Southeast Nov 2017 · 500 affected	Nov 2017	500	HHS
Waco Otolaryngology Associates Aug 2017 · 500 affected	Aug 2017	500	HHS
Northwest Behavioral Healthcare Services Jul 2017 · 500 affected	Jul 2017	500	HHS
Syed Ahmed, MD PA Feb 2017 · 500 affected	Feb 2017	500	HHS
Bloom Physical Therapy Feb 2017 · 500 affected	Feb 2017	500	HHS
Office of Dr. David Elbaum Jan 2017 · 500 affected	Jan 2017	500	HHS
CoPilot Provider Support Services Jan 2017 · 1.5K WA residents	Jan 2017	1.5K WA residents	2 sources ▾ CA AG WA AG
Western State Hospital Sept 2017 · 515 WA residents	Sept 2017	515 WA residents	WA AG

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Breach data from Have I Been Pwned, licensed under CC BY 4.0; the U.S. Department of Health and Human Services' breach portal; and the public breach notices of the California and Washington Attorneys General (Washington counts are state residents only). Sensitive breaches (such as adult and dating sites), spam lists, fabricated breaches and malware logs aren't listed.