The HealthTech Signal

Health Data Breach Tracker/Monthly roundup

Biggest health data breaches: May 2023

In May 2023, 78 health data breaches affecting 500 or more people were reported to the HHS Office for Civil Rights, with a combined 22,523,443 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

78

Individuals affected

22,523,443

Hacking or IT incidents

64

  1. 1Managed Care of North AmericaGA · Business Associate · Hacking/IT Incident · May 26, 20238,627,242
  2. 2PharMerica CorporationKY · Healthcare Provider · Hacking/IT Incident · May 12, 20235,815,591
  3. 3Harvard Pilgrim Health CareMA · Health Plan · Hacking/IT Incident · May 24, 20232,662,337
  4. 4Great Expressions Dental CentersMI · Healthcare Provider · Hacking/IT Incident · May 12, 20231,925,397
  5. 5Essen Medical Associates, P.C.NY · Healthcare Provider · Hacking/IT Incident · May 16, 2023904,672
  6. 6R&B Corporation of Virginia d/b/a Credit Control CorporationVA · Business Associate · Hacking/IT Incident · May 13, 2023607,787
  7. 7Onix GroupPA · Business Associate · Hacking/IT Incident · May 26, 2023387,830
  8. 8Lehigh Valley Health Network (blackcat)PA · Healthcare Provider · Hacking/IT Incident · May 15, 2023248,359
  9. 9Iowa Department of Health and Human Services - Iowa MedicaidIA · Health Plan · Hacking/IT Incident · May 30, 2023233,834
  10. 10Albany ENT & Allergy Services, PC.NY · Healthcare Provider · Hacking/IT Incident · May 25, 2023224,486
  11. 11Uintah Basin HealthcareUT · Healthcare Provider · Hacking/IT Incident · May 10, 2023103,974
  12. 12Culbertson Memorial HospitalIL · Healthcare Provider · Hacking/IT Incident · May 24, 202369,765
  13. 13UI Community Home Care, a subsidiary of University of Iowa Health SystemIA · Healthcare Provider · Hacking/IT Incident · May 24, 202367,897
  14. 14University UrologyNY · Healthcare Provider · Hacking/IT Incident · May 1, 202356,816
  15. 15Illinois Department of Healthcare and Family Services, Illinois Department of Human ServicesIL · Health Plan · Hacking/IT Incident · May 12, 202350,839
  16. 16New Mexico Department of HealthNM · Healthcare Provider · Unauthorized Access/Disclosure · May 4, 202349,000
  17. 17Saint Louis UniversityMO · Healthcare Provider · Hacking/IT Incident · May 1, 202348,392
  18. 18Tennessee Orthopaedic ClinicsTN · Healthcare Provider · Hacking/IT Incident · May 19, 202346,679
  19. 19Pioneer Valley Ophthalmic Consultants, PCMA · Healthcare Provider · Hacking/IT Incident · May 26, 202336,275
  20. 20Brightline, Inc.CA · Business Associate · Hacking/IT Incident · May 10, 202328,975
April 2023June 2023All breachesHHS OCR Breach Portal