OpenEvidence Raises $210M Series B to Power Clinical AI with Trusted Medical Knowledge
Used by hundreds of thousands of verified clinicians and active across over 10,000 hospitals and medical centers, OpenEvidence supports more than 40% of U.S. physicians in high-stakes decisions.

Company Name: OpenEvidence
Location: Cambridge, MA
Industry: Health AI / Clinical Decision Support
Funding Details:
- Amount: $210M (Series B)
- Investors:
- Lead/Notable: Sequoia Capital, Coatue, Conviction, Thrive
Purpose of Investment:
- Expand strategic content partnerships
- Enhance the medical knowledge library powering clinical AI
Leadership:
- Co-Founders: Daniel Nadler and Zachary Ziegler
Product:
OpenEvidence is a clinical decision support platform that equips healthcare professionals with instant, evidence-based answers at the point of care.
About Company:
Used by hundreds of thousands of verified clinicians and active across over 10,000 hospitals and medical centers, OpenEvidence supports more than 40% of U.S. physicians in high-stakes decisions. Its AI engine is powered by partnerships with the AMA (JAMA) and The New England Journal of Medicine, integrating gold-standard medical knowledge—including full-text and multimedia—into its clinical answers. The company has raised over $300M to date.
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