The HealthTech Signal

Health Data Breach Tracker/Monthly roundup

Biggest health data breaches: March 2025

In March 2025, 68 health data breaches affecting 500 or more people were reported to the HHS Office for Civil Rights, with a combined 4,507,456 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

68

Individuals affected

4,507,456

Hacking or IT incidents

56

  1. 1SimonMed ImagingAZ · Healthcare Provider · Hacking/IT Incident · Mar 27, 20251,275,669
  2. 2Frederick HealthMD · Healthcare Provider · Hacking/IT Incident · Mar 28, 2025934,326
  3. 3United Seating and Mobility, LLC d/b/a NumotionTN · Healthcare Provider · Hacking/IT Incident · Mar 7, 2025529,004
  4. 4Sunflower Medical Group, P.A.KS · Healthcare Provider · Hacking/IT Incident · Mar 7, 2025220,968
  5. 5CDHA Management, LLC and Spark DSO, LLC dba Chord Specialty Dental PartnersTN · Healthcare Provider · Hacking/IT Incident · Mar 14, 2025173,430
  6. 6Community Dental Care, Inc.MN · Healthcare Provider · Hacking/IT Incident · Mar 28, 2025134,903
  7. 7Community Care AllianceRI · Healthcare Provider · Hacking/IT Incident · Mar 1, 2025111,804
  8. 8Black Hills Regional Eye InstituteSD · Healthcare Provider · Hacking/IT Incident · Mar 31, 2025106,763
  9. 9Hillcrest Convalescent Center, Inc.NC · Healthcare Provider · Hacking/IT Incident · Mar 4, 2025106,194
  10. 10Liberty Resources, Inc.NY · Healthcare Provider · Hacking/IT Incident · Mar 4, 2025103,711
  11. 11Mercer County Joint Township Community HospitalOH · Healthcare Provider · Hacking/IT Incident · Mar 26, 202588,541
  12. 12Concord OrthopaedicsNH · Healthcare Provider · Hacking/IT Incident · Mar 25, 202572,815
  13. 13Western Wayne Family PhysiciansMI · Healthcare Provider · Hacking/IT Incident · Mar 26, 202562,000
  14. 14Fundamental Administrative Services, LLCMD · Business Associate · Hacking/IT Incident · Mar 21, 202556,325
  15. 15OCH Regional Medical Center, MSMS · Healthcare Provider · Unauthorized Access/Disclosure · Mar 11, 202551,266
  16. 16Fyzical Acquisition Holdings, LLCFL · Business Associate · Hacking/IT Incident · Mar 21, 202543,045
  17. 17Fort Wayne Medical Education ProgramIN · Healthcare Provider · Hacking/IT Incident · Mar 6, 202528,502
  18. 18Klickitat Valley HealthWA · Healthcare Provider · Hacking/IT Incident · Mar 14, 202526,339
  19. 19William F Rinehart DMD PASC · Healthcare Provider · Hacking/IT Incident · Mar 24, 202525,000
  20. 20MAK AnesthesiaGA · Healthcare Provider · Hacking/IT Incident · Mar 26, 202524,079
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