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Stockton Cardiology Medical Group

Disclosed Mar 18, 20266 months ago90,000 affectedConfirmed

Official notice

What is known

People affected90,000 (as reported to HHS)
DisclosedMar 18, 2026
HappenedDec 15, 2025
AttackHacking
Data exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

WhereFiledPeople
HHS OCRtotalMar 1890,000
California AGresidents of CAMar 20
History of this record
  • 2026-09-25 · attack: unknown to hacking · backfill source
  • 2026-09-25 · data_types: [] to ["names","health"] · backfill source
  • 2026-09-25 · records_basis: empty to hhs · backfill source
  • 2026-09-25 · records: empty to 90000 · backfill source
  • 2026-09-25 · disclosed: 2026-03-20 to 2026-03-18 · 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 Stockton Cardiology Medical Group

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