Planned Parenthood Northern California notified patients of a data breach involving a third-party subcontractor, Trizetto Provider Solutions. Unauthorized access to patient insurance eligibility and related information occurred between November 2024 and October 2, 2025. The organization was notified by its business associate, OCHIN, on December 10, 2025. Affected data included names, dates of birth, Social Security numbers, and health insurance information. Credit monitoring services are being offered to affected individuals.