- State
- WA
- Covered entity type
- Healthcare Provider
- Individuals affected
- 188,236
- Business associate present
- No
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- First seen by InfoSec Signals
- 9/23/2026
- Last seen in OCR export
- 9/23/2026
OCR description
The covered entity (CE), Chelan Douglas Health District, reported that it experienced a cyber-attack that compromised the protected health information (PHI) of 188,236 individuals. The PHI involved included names, dates of birth, drivers’ license numbers, Social Security numbers, claims and financial information, diagnoses, and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice. In its mitigation efforts, the CE implemented additional administrative and technical safeguards to better protect its PHI.
Change history
- 9/23/2026Added to OCR's archive list
Source: U.S. Department of Health and Human Services, Office for Civil Rights, Breach Portal. Records are reproduced as published; entity names and figures are OCR's.