All Breaches
December 15, 2025 Verified Sensitive Record Healthcare

Stockton Cardiology Medical Group Data Breach

The Stockton Cardiology Medical Group data breach affected 90,000 people in an incident that began in December 2025 and involved contact, billing, and limited medical information.

90 Thousand
Affected People
4
Data Types
Medium
Severity
Yes
Verification

Exposed Data Types

4
Names
Physical addresses
Email addresses
Medical information

Additional Information

Added DateJuly 29, 2026
Breach DateDecember 15, 2025
Domainstocktoncardiology.com
SourceCalifornia Attorney General filing, HHS report, and organization notice
Last Content UpdateJuly 29, 2026

Verification and editorial method

LeakData compares the incident name, date, affected-record count, and exposed data types with accessible sources. Unverified fields are not presented as facts, and records are updated when new evidence becomes available.

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Company Information

Company NameStockton Cardiology Medical Group
SectorHealthcare
CountryUnited States
Websitestocktoncardiology.com

Risk Level

Medium

The reported impact exceeds 10 thousand and falls within the medium severity band.

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