Epinoma vs athenahealth
Side-by-side comparison of AI visibility scores, market position, and capabilities
Epigenetic protein engineering company developing liquid biopsy detection tools for the $50B blood test market; backed by Harvard's George Church competing in cancer early detection diagnostics.
About
Epinoma is a San Francisco-based biotech company engineering proteins that read and write epigenetic signals — developing protein tools for earlier cancer and disease detection through liquid biopsy (blood tests that detect disease-specific epigenetic marks) and therapeutic interventions that modify epigenetic states to treat disease without permanently altering DNA sequence. A Y Combinator S21 graduate backed by George Church (Harvard genetics pioneer), seedToB, and SeaX Ventures with $125,000 raised, Epinoma achieved $1 million in revenue in 2024 with an 8-person team, targeting the $50 billion blood test development market.
$1.7B annual revenue; 160K+ providers, 117M patients; 18.15% EHR market share; 6,713+ companies using 2025; acquired by Bain Capital & Hellman & Friedman Nov 2021 at $17B; AI interoperability 2025
About
athenahealth is a cloud-based electronic health records (EHR), medical billing, and practice management company founded in 1997 and headquartered in Watertown, Massachusetts. The company was built on the principle that healthcare administration should be managed as a service — with athenahealth absorbing the complexity of payer rule updates, regulatory compliance, and billing workflows so that physicians and clinical staff can focus entirely on patient care. Its cloud-native architecture, deployed before most EHR competitors moved to the cloud, remains a core technical differentiator.\n\nathenahealth's platform — athenaOne — integrates EHR, revenue cycle management, patient engagement, and care coordination in a single system used by over 160,000 providers across 117 million patient records. The company serves ambulatory practices ranging from solo physicians to large health systems and medical groups. Its continuously updated rules engine processes millions of payer transactions daily, enabling higher clean claim rates and faster reimbursement compared to on-premise EHR alternatives. athenahealth holds an 18.15% share of the US ambulatory EHR market.\n\nathenahealth is currently owned by a private equity consortium of Bain Capital and Hellman & Friedman, which acquired the company in 2019 for $5.7 billion. Annual revenue stands at approximately $1.7 billion. The company competes with Epic, eClinicalWorks, and Oracle Health in the ambulatory EHR market. Its managed-service model, shared payer network data, and cloud-native infrastructure continue to make it a compelling choice for ambulatory providers who prioritize revenue cycle performance and reduced administrative burden.
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