Arch Health Partners, Inc. d/b/a Palomar Health Medical Group

Arch Health Partners, Inc. d/b/a Palomar Health Medical Group notified California AG on Oct 15, 2025 of a data breach, which occurred on May 5, 2024. Data exposed: Medical / health information, Name.

Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization: Arch Health Partners, Inc. d/b/a Palomar Health Medical Group
Source: California AG · source record
Date reported: Oct 15, 2025
Date(s) of breach: Sunday, May 5, 2024
Residents affected: Not published by this source
Data exposed: Medical / health information Name
Notice letter: Sample notice (PDF)
Discovered: Sep 4, 2025, as stated in the letter
"On September 4, 2025, PHMG finalized this review and determined that information related to current and former patients could be affected."
Days to notice: 41 days from discovery (Sep 4, 2025) to the California record (Oct 15, 2025). 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 15:29 UTC

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

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