Paradigm Healthcare breach affects 970,000 Medi-Cal members

Paradigm Healthcare Services told HHS that a data breach affected more than 970,000 people. The company detected unauthorized network access on October 13, 2025, and confirmed in August 2026 that files with names, birth dates and Medi-Cal member IDs may have been accessed. Notification letters went out in September 2026.

• Breach affected over 970,000 Medi-Cal members
• Unauthorized access occurred between October 8 and 15, 2025
• Notifications were sent about 11 months after detection
• Exposed data included names, birth dates, gender and Medi-Cal IDs