Zus Health, a healthcare technology company founded by former athenahealth CEO Jonathan Bush, has raised $33 million in Series B financing, bringing its total funding to more than $100 million. The investment will support the expansion of its AI-native healthcare data platform, national information exchange network, and clinical workflow capabilities.
Founded in 2021, Zus Health focuses on addressing fragmented patient information across electronic health records (EHRs), pharmacy systems, laboratories, and other healthcare data sources. Its platform consolidates information into continuously updated longitudinal patient records, enabling healthcare organisations to access and use clinical data across different applications.
"The story of electronic medical records doesn't end with the silos we have today," said Jonathan Bush, founder and CEO of Zus Health. "We've spent decades digitizing healthcare, but the information still doesn't move with the patient."
The company's technology operates through three integrated components. Its Zus Aggregated Profile (ZAP) combines fragmented clinical information into unified patient records, supported by AI-powered clinical intelligence. A nationwide connectivity network continuously updates these records, while integration capabilities enable healthcare organisations to develop applications and automate clinical workflows.
Zus reported that its network processed more than 110 million transactions during August 2026, while its AI-native platform generated 39 million evidence citations year-to-date. The company also announced its candidacy to become a Qualified Health Information Network (QHIN) under the Trusted Exchange Framework and Common Agreement (TEFCA), complementing its existing HITRUST certification.
The new financing will support three development priorities: enhancing AI-powered clinical intelligence, expanding nationwide data connectivity, and enabling additional healthcare workflows.
These capabilities include pre-visit preparation, transitions of care, risk adjustment, quality gap closure, and population health management. Zus also offers AI-generated patient summaries designed to consolidate clinical information for healthcare professionals.
The company's platform serves provider organisations, value-based care groups, digital health companies, and organisations operating in diagnostics and precision medicine.
Through these investments, Zus aims to reduce the technical complexity of healthcare data integration while supporting the development of AI-enabled applications built on shared patient information.
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