Share Ourselves, a healthcare provider in Newport Beach, CA, notified patients of a cybersecurity incident at their billing services vendor, TriZetto Provider Solutions (TPS). TPS became aware of suspicious activity on October 2, 2025, and notified Share Ourselves on December 15, 2025. Affected data may include name, address, date of birth, SSN, health insurance member number, provider name, insurer name, and other demographic, health, and health insurance information. Payment card and bank account data were not affected.