Health Data Breach Tracker/Monthly roundup

Biggest health data breaches: May 2025

In May 2025, 67 health data breaches affecting 500 or more people were reported to the HHS Office for Civil Rights, with a combined 5,367,808 individuals affected as reported. Hacking/IT Incident was the most common breach type this month, and healthcare provider accounted for the most reports. Counts are as reported to OCR and may overlap across breaches; a listing does not imply wrongdoing.

Breaches reported

67

Individuals affected

5,367,808

Hacking or IT incidents

53

  1. 1DermCare ManagementFL · Business Associate · Hacking/IT Incident · May 2, 20251,361,735
  2. 2Absolute Dental Group, LLCNV · Business Associate · Hacking/IT Incident · May 2, 20251,223,635
  3. 3Washington GastroenterologyWA · Healthcare Provider · Hacking/IT Incident · May 9, 2025583,471
  4. 4Serviceaide, Inc.CA · Business Associate · Unauthorized Access/Disclosure · May 9, 2025483,126
  5. 5Ocuco IncFL · Business Associate · Hacking/IT Incident · May 30, 2025240,961
  6. 6Marlboro-Chesterfield Pathology, P.C.NC · Healthcare Provider · Hacking/IT Incident · May 9, 2025235,911
  7. 7Harbin Clinic, LLCGA · Healthcare Provider · Hacking/IT Incident · May 16, 2025176,149
  8. 8MedStar St. Mary's HospitalMD · Healthcare Provider · Hacking/IT Incident · May 29, 2025172,915
  9. 9Covenant Surgical Partners, Inc.TX · Business Associate · Hacking/IT Incident · May 28, 202588,609
  10. 10Shelby Dermatology d.b.a Dermatologists of BirminghamAL · Healthcare Provider · Hacking/IT Incident · May 2, 202586,414
  11. 11Weiser Valley Hospital District dba Weiser Memorial HospitalID · Healthcare Provider · Hacking/IT Incident · May 15, 202559,990
  12. 12The Cooper Health SystemNJ · Healthcare Provider · Hacking/IT Incident · May 23, 202557,412
  13. 13Instituto de Ojos de Puerto RicoHealthcare Provider · Hacking/IT Incident · May 19, 202550,000
  14. 14UChicago Medicine Medical GroupIL · Healthcare Provider · Hacking/IT Incident · May 23, 202538,656
  15. 15Providia Home Care, LLC dba Preferred Care Home Health ServicesFL · Healthcare Provider · Hacking/IT Incident · May 30, 202538,401
  16. 16Anesthesia Associates of Morristown, P.A.NJ · Healthcare Provider · Improper Disposal · May 2, 202534,675
  17. 17Gateway Community Services, Inc.FL · Healthcare Provider · Hacking/IT Incident · May 29, 202534,498
  18. 18Doctors Hospital at Renaissance, LTDTX · Healthcare Provider · Hacking/IT Incident · May 15, 202534,060
  19. 19The Neurological Institute of Savannah & Center for Spine, P.CGA · Healthcare Provider · Hacking/IT Incident · May 1, 202532,548
  20. 20Shore Medical CenterNJ · Healthcare Provider · Hacking/IT Incident · May 23, 202531,177