Lumeris is a physician-first healthcare transformation company on a mission to make primary care work for everyone. We provide technology and services to help health systems and provider organizations thrive in a rapidly evolving healthcare landscape shaped by AI, shifting payment models, and rising patient expectations. Our model enables Primary Care as a Service, powered by Tom™—an AI platform that helps physicians and care teams deliver better outcomes with less burden. Combining predictive analytics, hands-on services, and accountable partnerships, Lumeris supports organizations with $9.3 billion of medical expenses under management and 1.4 million lives on our platform. With over 15 years of experience managing Medicare risk through Essence Healthcare, we know what it takes to make care work in the United States. The result is engaged physicians, healthier patients, and stronger performance for health systems.
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The Lumeris annual revenue was $253.6 million in 2026.
Mary Snyder is the President and Chief Operating Officer of Lumeris.
767 people are employed at Lumeris.
Lumeris is based in Maryland Heights, Missouri.
The NAICS codes for Lumeris are [513, 51, 62161, 621, 6216, 62].
The SIC codes for Lumeris are [808, 80].