The HealthTech Signal

Health Data Breach Tracker/Monthly roundup

Biggest health data breaches: July 2025

In July 2025, 59 health data breaches affecting 500 or more people were reported to the HHS Office for Civil Rights, with a combined 6,289,205 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

59

Individuals affected

6,289,205

Hacking or IT incidents

50

  1. 1Anne Arundel DermatologyMD · Healthcare Provider · Hacking/IT Incident · Jul 11, 20251,905,000
  2. 2Kettering Adventist HealthcareOH · Healthcare Provider · Hacking/IT Incident · Jul 21, 20251,695,382
  3. 3Radiology Associates of Richmond, Inc.VA · Healthcare Provider · Hacking/IT Incident · Jul 1, 20251,419,091
  4. 4Zumpano Patricios, P.A.FL · Business Associate · Hacking/IT Incident · Jul 3, 2025279,275
  5. 5Cierant CorporationCT · Business Associate · Hacking/IT Incident · Jul 3, 2025232,506
  6. 6Alera Group, Inc.IL · Business Associate · Hacking/IT Incident · Jul 29, 2025174,378
  7. 7McKenzie Memorial HospitalMI · Healthcare Provider · Hacking/IT Incident · Jul 24, 202558,839
  8. 8Wood River HealthRI · Healthcare Provider · Hacking/IT Incident · Jul 28, 202554,926
  9. 9Clinica Family Health ServicesCO · Healthcare Provider · Hacking/IT Incident · Jul 14, 202547,593
  10. 10Gastroenterology Consultants of South TexasTX · Healthcare Provider · Hacking/IT Incident · Jul 22, 202544,579
  11. 11Shelby County Chris A Myrtue Memorial Hospital (“MMC”)IA · Healthcare Provider · Unauthorized Access/Disclosure · Jul 1, 202532,717
  12. 12Infinite Services, Inc.NY · Healthcare Provider · Hacking/IT Incident · Jul 21, 202531,742
  13. 13Heart of America Medical Center (“HAMC”)ND · Healthcare Provider · Hacking/IT Incident · Jul 1, 202529,430
  14. 14Self Regional HealthcareSC · Healthcare Provider · Hacking/IT Incident · Jul 17, 202526,696
  15. 15Dr. Michael Bilikas and Associates d.b.a. 32 PearlsWA · Healthcare Provider · Hacking/IT Incident · Jul 21, 202523,517
  16. 16AVALA HoldingsLA · Healthcare Provider · Hacking/IT Incident · Jul 29, 202522,732
  17. 17Keys Pathology Associates, PAFL · Healthcare Provider · Hacking/IT Incident · Jul 19, 202520,000
  18. 18Northwest Denture Center, Inc.WA · Healthcare Provider · Hacking/IT Incident · Jul 25, 202519,419
  19. 19Doctors’ Memorial HospitalFL · Healthcare Provider · Hacking/IT Incident · Jul 25, 202518,261
  20. 20Arbor Associates, Inc.MI · Business Associate · Hacking/IT Incident · Jul 3, 202517,040
June 2025August 2025All breachesHHS OCR Breach Portal