Every public data breach

44 disclosed this week · 26,355 on record

Great Expressions Dental Centers

Disclosed May 12, 20231,925,397 affectedConfirmed

Official notice

The covered entity (CE), Great Expressions Dental Centers, reported that it experienced a ransomware incident that affected the protected health information (PHI) of 1,925,397 individuals. The PHI involved included names, addresses, dates of birth, Social Security numbers, health insurance information, and financial and treatment information. The CE notified HHS, affected individuals, the media, and posted substitute notice of the breach on its website. In response to the breach, the CE offered free credit monitoring services and implemented additional administrative, technical, and security safeguards. Staff were also retrained on the requirements to protect and secure PHI.

What is known

People affected1,925,397 (as reported to HHS)
DisclosedMay 12, 2023
DiscoveredFeb 22, 2023
HappenedFeb 17, 2023
AttackRansomware
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

History of this record
data_types2026-09-25
[] to ["names","health"]by backfillSource
records_basis2026-09-25
empty to hhsby backfillSource
records2026-09-25
empty to 1925397by backfillSource
disclosed2026-09-25
2023-10-02 to 2023-05-12by backfillSource
summary2026-09-25
empty to The covered entity (CE), Great Expressions Dental Centers, reported that it experienced a ransomware incident that affected the protected health information (PHI) of 1,925,397 individuals. The PHI involved included names, addresses, dates oby backfillSource
attack2026-09-25
unknown to ransomwareby backfillSource
discovered2026-09-25
empty to 2023-02-22by backfillSource
Added2026-09-25
First recordedby backfillSource

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

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