LatestStatesCompaniesPricingAPIData Start free trial

Latest / California / September 2026

MedImpact Healthcare Systems, Inc.

MedImpact Healthcare Systems, Inc. notified California AG on Sep 25, 2026 of a data breach, which occurred on Oct 18, 2025. Data exposed: Name.

All 4 filings by MedImpact Healthcare Systems, Inc., state by state · Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization
MedImpact Healthcare Systems, Inc.
Source
California AG · source record
Date reported
Sep 25, 2026
Date(s) of breach
Saturday, October 18, 2025
Residents affected
Not published by this source
Data exposed
Name
Notice letter
Sample notice (PDF)
Discovered
Oct 18, 2025, as stated in the letter
"On October 18, 2025, MedImpact, a pharmacy benefits manager which provides services to your health plan, identified unauthorized activity within certain systems in its environment."
Days to notice
342 days from discovery (Oct 18, 2025) to the California record (Sep 25, 2026). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82). Over the statutory period
Offered in the letter
credit or identity monitoring through Experian
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.

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 count, the data exposed and the letter. Start a 14-day free trial. We email you two days before the first charge and you cancel in one click.
Not today? Take the free Monday digest: the week's filings by state and the largest by people affected. Once a week.

Other filings by MedImpact Healthcare Systems, Inc.

OrganizationSourceStateReportedResidents affectedData exposed
MedImpact Healthcare Systems, Inc. Texas AG TX Sep 29, 2026 8,199 Social Security numberMedical / health informationHealth insuranceDate of birth+2
MedImpact Healthcare Systems, Inc. Oregon DOJ OR Sep 26, 2026 327,082 Not stated
MedImpact Healthcare Systems, Inc. Massachusetts OCABR MA Sep 26, 2026 211 Social Security numberMedical / health information

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