Arintra Nabs $25M Series B Funding

Arintra raises $25M Series B led by Define Ventures, bringing total to $51M. The healthcare AI revenue assurance platform serves UC Davis Health, Mercyhealth, and others.
Arintra, which describes itself as the first enterprise AI platform for revenue assurance in healthcare, has closed a $25 million Series B round. The funding brings cumulative investment to $51 million. Define Ventures led the round, joined by existing backers including Peak XV Partners, Yale New Haven Health's Center for Health Care Innovation, Endeavor Health Ventures, Y Combinator, Counterpart Ventures, Ten13, and Spider Capital. Endeavor Health, a Chicagoland health system, was an early customer and participated in both the Series A and this round.
The platform combines agentic AI with clinical expertise to autonomously code patient charts across more than 23 specialties and every care setting a health system operates. That coded data then cascades into documentation intelligence and denial appeals, aiming to improve payment accuracy. Arintra says its system is used by health systems including UC Davis Health, Mercyhealth, Meritus Health, Rochester Regional Health, Reid Health, and Mercy Medical Center. The platform is available through the Epic Toolbox and the athenahealth Marketplace, holds HITRUST e1 certification, and earned a 93/100 with an A+ performance rating from KLAS Research.
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