Healthcare Provider · Under investigation
Chickasaw Nation Department of Health
1,607 individuals · submitted June 11, 2026
About this report
Chickasaw Nation Department of Health, listed by OCR as a healthcare provider in OK, reported a breach of unsecured protected health information to the HHS Office for Civil Rights on June 11, 2026, affecting 1,607 individuals. OCR lists the breach type as Unauthorized Access/Disclosure and the location of the information as Electronic Medical Record. Business associate present: No. OCR status: under investigation.
OCR has not published a case summary for this report. The text above restates the structured fields OCR lists.
- Organization
- Chickasaw Nation Department of Health
- State
- OK
- Entity type
- Healthcare Provider
- Individuals affected
- 1,607
- Submission date
- June 11, 2026
- Breach type
- Unauthorized Access/Disclosure
- Location of information
- Electronic Medical Record
- Business associate present
- No
- OCR status
- Under investigation
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