The HealthTech Signal

Health Data Breach Tracker/Monthly roundup

Biggest health data breaches: May 2026

In May 2026, 67 health data breaches affecting 500 or more people were reported to the HHS Office for Civil Rights, with a combined 7,198,630 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

7,198,630

Hacking or IT incidents

59

  1. 1Lumexa ImagingNC · Healthcare Provider · Hacking/IT Incident · May 15, 20265,830,949
  2. 2Networking Technology, Inc.NC · Business Associate · Hacking/IT Incident · May 29, 2026353,844
  3. 3Radiology Associates of RichmondVA · Healthcare Provider · Hacking/IT Incident · May 21, 2026266,183
  4. 4Western Orthopaedics, P.C.CO · Healthcare Provider · Hacking/IT Incident · May 1, 2026113,330
  5. 5Mid Florida Dermatology & Plastic SurgeryFL · Healthcare Provider · Hacking/IT Incident · May 1, 202685,585
  6. 6ERMI LLCGA · Healthcare Provider · Hacking/IT Incident · May 26, 202674,074
  7. 7Singing River Health SystemMS · Healthcare Provider · Hacking/IT Incident · May 19, 202653,888
  8. 8Southern Illinois Ob-Gyn Associates, S.C.IL · Healthcare Provider · Hacking/IT Incident · May 22, 202638,700
  9. 9Gastro HealthFL · Healthcare Provider · Hacking/IT Incident · May 22, 202635,632
  10. 10Mitchell County Hospital DistrictTX · Healthcare Provider · Hacking/IT Incident · May 5, 202631,582
  11. 11Eyemart Express, LLCTX · Healthcare Provider · Hacking/IT Incident · May 18, 202625,000
  12. 12Connecticut Department of Social ServicesCT · Health Plan · Hacking/IT Incident · May 21, 202622,500
  13. 13Bridle Trails Family DentistryWA · Healthcare Provider · Hacking/IT Incident · May 14, 202620,976
  14. 14Community ConnectionsDC · Healthcare Provider · Hacking/IT Incident · May 18, 202618,943
  15. 15Virta Medical PCCO · Healthcare Provider · Hacking/IT Incident · May 23, 202614,636
  16. 16Kannarr Eye CareKS · Healthcare Provider · Hacking/IT Incident · May 28, 202614,003
  17. 17Saurabh N. Patel, M.D – Florida Retina CenterLA · Healthcare Provider · Hacking/IT Incident · May 11, 202613,652
  18. 18Greenbaum Rowe Smith & Davis LLPNJ · Business Associate · Hacking/IT Incident · May 18, 202612,801
  19. 19Wellpoint Washington, Inc.IN · Health Plan · Hacking/IT Incident · May 20, 202612,020
  20. 20IKRON CorporationOH · Healthcare Provider · Hacking/IT Incident · May 4, 202611,845
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