VenoStent vs athenahealth
Side-by-side comparison of AI visibility scores, market position, and capabilities
Houston TX YC W20 clinical-stage AV fistula wrap for dialysis patients with 200-patient RCT underway; $22.8M total ($20M Good Growth/Norwest Series A Jun 2024 + $3.6M NIH grant) targeting vascular access failure competing for dialysis market.
About
VenoStent is a Houston, Texas-based clinical-stage medical device company — backed by Y Combinator (W20) with $22.8 million in total funding including a $20 million Series A in June 2024 led by Good Growth Capital and IAG Capital Partners with $4 million from Norwest Venture Partners, plus a $3.6 million NIH SBIR Phase II Grant — developing SelfWrap, a bioabsorbable perivascular wrap designed to improve arteriovenous (AV) fistula patency rates for chronic kidney disease patients requiring hemodialysis access. Having initiated clinical sites and enrolled first patients in a 200-patient randomized controlled trial (RCT) across multiple US centers in 2024, VenoStent targets the 600,000+ American dialysis patients who depend on reliable vascular access as their lifeline.
$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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