- State
- WA
- Covered entity type
- Healthcare Provider
- Individuals affected
- 21,325
- Business associate present
- No
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- First seen by InfoSec Signals
- Sep 23, 2026
- Last seen in OCR export
- Oct 25, 2026
OCR description
Evergreen Treatment Services, the covered entity (CE), reported that its computer system was breached by ransomware that compromised the protected health information (PHI) of 21,325 individuals. The PHI involved included names, addresses, dates of birth, Social Security numbers, diagnoses, medications, and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice. In its mitigation efforts, the CE provided complimentary credit monitoring and identity theft protection services and strengthened its administrative and technical safeguards. Staff were retrained.
Change history
- Sep 23, 2026Added to OCR's archive list
Source: HHS OCR Breach Portal, U.S. Department of Health and Human Services, Office for Civil Rights about this source
Records are reproduced as published; entity names and figures are OCR's.