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Latest / Federal (SEC) / June 2026

Chickasaw Nation Department of Health

1,607 individuals affected. Filed with HHS OCR on Jun 11, 2026.

Organization
Chickasaw Nation Department of Health
Source
HHS OCR · source record
Date reported
Jun 11, 2026
Date(s) of breach
Not stated
Residents affected
1,607 (individuals)
Data exposed
Medical / health information
Notice letter
Not available
First seen by BreachTally
2026-10-30 03:54 UTC

Information compromised, as listed

Healthcare Provider (OK). Breach type: Unauthorized Access/Disclosure. Location: Electronic Medical Record.
Indexed on Oct 30, 2026 during the initial backfill of this source. New filings reach paid subscribers within 30 minutes of the agency posting. Start a 14-day free trial.

Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.