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Alta Orthopaedics Medical Group, Inc.: data breach filings, state by state

Alta Orthopaedics Medical Group, Inc. has 3 data breach filings on record in 3 government portals. The latest was reported to California AG on Jul 8, 2026. Data exposed, as filed: Social Security number, Driver's license / state ID, Passport number, Financial / bank account, Medical / health information, Health insurance, Date of birth, Usernames / passwords, Email address, Biometric data, Phone number, Postal address.

19residents counted in 1 state (MA). Latest filing per state, last twelve months
24,496people in total, as reported to HHS OCR on Jul 3, 2026
3filings in 3 government portals
Jul 8, 2026latest filing, California AG

By portal

PortalFilingsLatest reportPeople in the latest filing
California AG1Jul 8, 2026Not published
Massachusetts OCABR1Jul 8, 202619 Massachusetts residents
HHS OCR1Jul 3, 202624,496 in total

Counts are the organization's own, as filed with each agency. Most state portals count their own residents only, so no single state shows the whole incident. An organization can file more than once for the same incident, and for different ones.

Case file

Breach window
Feb 6, 2026
Discovered
Mar 10, 2026, as stated in the California letter
Offered to those affected
credit or identity monitoring through Experian (term not stated in the letter we read)
Third party named
No
Days to notice
Past the statutory period in California, counted from discovery to the state's first record

Open the case fileWord document

Every filing with the agency links, each state's record against its statutory period with the citation, what the letter offers, prior incidents. Letter facts are quoted so you can check them.

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Every filing

OrganizationSourceStateReportedResidents affectedData exposed
Alta Orthopaedics Medical Group, Inc. California AG CA Jul 8, 2026 Not published Social Security numberDriver's license / state IDPassport numberFinancial / bank account+9
Alta Orthopaedics Medical Group, Inc. Massachusetts OCABR MA Jul 8, 2026 19 Social Security numberMedical / health information
Alta Orthopaedics Medical Group, Inc. HHS OCR US Jul 3, 2026 24,496 Medical / health information

Data reproduced from public government filings. Each row opens the record with the agency link. Spot an error? Email support@breachtally.com with the page link. Corrections are applied and noted.