Totem Lake Family Dentistry Data Breach Exposes Sensitive Patient Information Totem Lake Family Dentistry, a Kirkland, Washington-based dental practice, disclosed a data breach affecting 3,464 individuals after unauthorized access to an employee email account was detected on June 2, 2025. The breach occurred between May 28 and June 2, 2025, during which an unauthorized individual may have accessed files containing sensitive patient data. Following the discovery, the practice secured its email environment and engaged third-party cybersecurity experts to investigate. By March 31, 2026, it was confirmed that exposed information included names, dates of birth, Social Security numbers, medical records, treatment plans, patient numbers, prescriptions, and health insurance details. Shamis & Gentile P.A., a law firm specializing in data breach cases, is investigating potential legal action for affected individuals, citing possible compensation for damages, account monitoring costs, and emotional distress. The incident highlights ongoing risks to healthcare data security.