Lumeris

Lumeris is a physician-first healthcare transformation company founded by doctors. It partners with health systems, physician groups and payers to enable value-based care, combining physician-led insight with advanced artificial intelligence. The company reports more than 15 years of leadership in healthcare operations and value-based care enablement.

Its principal platform, Tom, is an AI-powered Primary Care as a Service (PCaaS) offering named after co-founder Dr. Tom Doerr. Tom integrates data from 63 EHR pipelines and 75 payer feeds, normalising billions of clinical and consumer data points to deliver timely actions for care teams. It automates low-value tasks, surfaces clinical decision support and improves care coordination. The platform supports 1.2M+ lives and has ingested $55B in claims. Primary Care as a Service is the underlying care model, delivering connected and proactive primary care alongside health systems, physician groups and payers.

Technical work spans artificial intelligence, machine learning, data integration and normalisation, EHR and payer data pipelines, clinical decision support, healthcare analytics and care-coordination automation. The stated design principle is that technology augments rather than replaces human care, with an emphasis on measurable, lasting results.

Lumeris was named to TIME's list of the World's Top HealthTech Companies 2025.