Mt. Spokane Pediatrics, a healthcare provider with clinics in Spokane and Spokane Valley, Washington, experienced a data security incident on or about January 1, 2026. An unauthorized party accessed certain systems within their network. Upon discovery, the company contained the threat and initiated an investigation. The incident affected 29,410 Washington state residents.
The breach exposed personal data, including full names, dates of birth, Social Security numbers (SSNs), health insurance information, medical treatment information, medical diagnostic information, medical record or patient numbers, health plan beneficiary numbers, and dates of service. Not all data types were exposed for every individual. Mt. Spokane Pediatrics reported the breach to the Washington Attorney General on April 30, 2026, and began mailing notifications to affected individuals on the same date. The company is offering free credit monitoring for those whose SSNs were exposed. There have been no reports of identity fraud or misuse stemming from this incident, and the investigation has concluded.
Details about data breaches can emerge over time, and notifications may be delayed.