AltaMed Health Services Corporation: data breach filings, state by state
AltaMed Health Services Corporation has 10 data breach filings on record in 2 government portals. The latest was reported to HHS OCR on Feb 26, 2026, with 501 in total. Data exposed, as filed: Medical / health information, Social Security number, Postal address, Email address.
4,530people in total, as reported to HHS OCR on Jun 13, 2025
10filings in 2 government portals
Feb 26, 2026latest filing, HHS OCR
By portal
| Portal | Filings | Latest report | People in the latest filing |
|---|---|---|---|
| HHS OCR | 2 | Feb 26, 2026 | 501 in total |
| California AG | 8 | Feb 12, 2026 | Not published |
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.
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Every filing
| Organization | State | Reported | Residents affected |
|---|---|---|---|
| AltaMed Health Services Corporation | US | Feb 26, 2026 | 501 |
| AltaMed Health Services Corporation | CA | Feb 12, 2026 | Not published |
| AltaMed Health Services Corporation | CA | Jun 13, 2025 | Not published |
| AltaMed Health Services Corporation | US | Jun 13, 2025 | 4,530 |
| AltaMed Health Services | CA | Aug 4, 2023 | Not published |
| AltaMed Health Services Corporation | CA | Jun 29, 2023 | Not published |
| AltaMed Health Services Corporation | CA | May 30, 2019 | Not published |
| AltaMed Health Services Corporation | CA | May 15, 2019 | Not published |
| AltaMed Health Services Corporation | CA | Feb 15, 2019 | Not published |
| AltaMed Health Services Corporation | CA | Aug 29, 2014 | Not published |
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.