Quantum Health, a healthcare technology and services organization based in Ohio, reported a data breach involving sensitive information. The company began notifying affected individuals by letter on or around July 30, 2026, regarding the incident that reportedly occurred on December 15, 2025.
The exposed data includes names, Social Security numbers, dates of birth, email addresses, physical addresses, phone numbers, demographic information, medical information, treatment information, diagnoses, prescriptions, provider names, dates of service, insurance policy numbers, and claims/benefits information. The exact number of affected individuals has not been publicly disclosed. A notice regarding the breach was filed with the Massachusetts Office of Consumer Affairs and Business Regulation.
While details continue to emerge, it is unclear if specific financial account data was compromised beyond general financial information. Consumers should be aware that additional details regarding the breach may be disclosed as investigations proceed.