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Centrelake Medical Group

Disclosed Apr 16, 20197 years ago197,661 affectedConfirmed

Official notice

Centrelake Medical Group, Inc., a business associate (BA), reported that it was the victim of cyber-attack involving ransomware that affected the protected health information (PHI) of 197,661 individuals. The PHI involved included names, addresses, phone numbers, drivers’ license information, Social Security numbers, claims information, diagnoses/conditions, and treatment information. The BA notified HHS, affected covered entities, affected individuals, the media, and provided substitute notice. The BA also provided complimentary credit monitoring and identity restoration services to affected individuals. In its mitigation efforts, the BA implemented additional administrative, technical, and security safeguards to better protect its PHI. During the investigation, OCR provided the BA with technical assistance regarding its security management process.

What is known

People affected197,661 (as reported by the organization)
DisclosedApr 16, 2019
DiscoveredFeb 19, 2019
HappenedJan 9, 2019
AttackHacking
Data exposedNames, Social Security numbers, Government IDs, Health
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

WhereFiledPeople
California AGresidents of CAApr 16, 2019
Indiana AGresidents of INApr 16, 201925
Maine AGresidents of MEApr 16, 20194
HHS archivetotalApr 16, 2019197,661
History of this record
  • 2026-09-25 · attack: unknown to hacking · backfill source
  • 2026-09-25 · data_types: ["names","ssn","government-id"] to ["names","ssn","government-id","health"] · backfill source
  • 2026-09-25 · summary: empty to Centrelake Medical Group, Inc., a business associate (BA), reported that it was the victim of cyber-attack involving ransomware that affected the protected health information (PHI) of 197,661 individuals. The PHI involved included names, ad · backfill source
  • 2026-09-25 · data_types: [] to ["names","ssn","government-id"] · backfill source
  • 2026-09-25 · discovered: empty to 2019-02-19 · backfill source
  • 2026-09-25 · records_basis: empty to organization · backfill source
  • 2026-09-25 · records: empty to 197661 · backfill source
  • 2026-09-25 · added · backfill source

First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.

Everything about Centrelake Medical Group

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