Latest / California / September 2026

Catalyst Physician Group

Catalyst Physician Group notified California AG on Sep 11, 2026 of a data breach, which occurred on Dec 2, 2025.

Organization
Catalyst Physician Group
Source
California AG · source record
Date reported
Sep 11, 2026
Date(s) of breach
12/02/2025
Residents affected
Not published by this source
Data exposed
Not stated in the source listing
Notice letter
Not available
First seen by BreachTally
2026-10-30 15:26 UTC

Dates and counts as filed by the organization with the agency. The breach window and the report date often differ by months.

Other filings by Catalyst Physician Group

OrganizationSourceStateReportedResidents affectedData exposed
Catalyst Physician Group Texas AG TX Sep 15, 2026 242,121 Social Security numberMedical / health informationDate of birthPostal address+1
Catalyst Physician Group Massachusetts OCABR MA Sep 12, 2026 79 Social Security numberMedical / health information
First seen by BreachTally at 15:26 UTC on Oct 30, 2026. New filings reach paid subscribers within 30 minutes of the agency posting, with the data types and the letter. Start a 14-day free trial.

Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.