Medical Management Resource Group, L.L.C., d.b.a. American Vision Partners

Medical Management Resource Group, L.L.C., d.b.a. American Vision Partners notified California AG on Feb 29, 2024 of a data breach, which occurred on Nov 14, 2023. Data exposed: Social Security number, Passport number, Financial / bank account.

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

Organization: Medical Management Resource Group, L.L.C., d.b.a. American Vision Partners
Source: California AG · source record
Date reported: Feb 29, 2024
Date(s) of breach: Tuesday, November 14, 2023
Residents affected: Not published by this source
Data exposed: Social Security number Passport number Financial / bank account
Notice letter: Sample notice (PDF)
Discovered: Nov 14, 2023, as stated in the letter
"On November 14, 2023, we detected unauthorized activity on certain parts of our network."
Days to notice: 107 days from discovery (Nov 14, 2023) to the California record (Feb 29, 2024). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82). Over the statutory period
Offered in the letter: 24 months of credit or identity monitoring through Experian
Third party: The letter attributes the incident to a vendor or service provider
First seen by BreachTally: 2026-10-30 15:41 UTC

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

Not today? Take the free Monday digest: the week's filings by state and the largest by people affected. Once a week.

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