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.
Source: https://www.claimdepot.com/investigations/totem-lake-family-dentistry-data-breach-2026
Kirkland Family Dentistry cybersecurity rating report: https://www.rankiteo.com/company/kirkland-family-dentistry
"id": "KIR1778877126",
"linkid": "kirkland-family-dentistry",
"type": "Breach",
"date": "5/2025",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"{'affected_entities': [{'customers_affected': '3464',
'industry': 'Dental',
'location': 'Kirkland, Washington',
'name': 'Totem Lake Family Dentistry',
'type': 'Healthcare Provider'}],
'attack_vector': 'Unauthorized email account access',
'data_breach': {'number_of_records_exposed': '3464',
'personally_identifiable_information': 'Yes',
'sensitivity_of_data': 'High',
'type_of_data_compromised': ['Names',
'Dates of birth',
'Social Security numbers',
'Medical records',
'Treatment plans',
'Patient numbers',
'Prescriptions',
'Health insurance details']},
'date_detected': '2025-06-02',
'date_publicly_disclosed': '2026-03-31',
'description': '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. Exposed information included names, dates of '
'birth, Social Security numbers, medical records, treatment '
'plans, patient numbers, prescriptions, and health insurance '
'details.',
'impact': {'data_compromised': 'Sensitive patient information',
'identity_theft_risk': 'High',
'legal_liabilities': 'Potential legal action for damages, account '
'monitoring costs, and emotional distress',
'systems_affected': 'Employee email account'},
'investigation_status': 'Completed',
'references': [{'source': 'Cyber Incident Description'}],
'regulatory_compliance': {'legal_actions': 'Potential legal action by Shamis '
'& Gentile P.A.'},
'response': {'containment_measures': 'Secured email environment',
'third_party_assistance': 'Cybersecurity experts'},
'title': 'Totem Lake Family Dentistry Data Breach Exposes Sensitive Patient '
'Information',
'type': 'Data Breach'}