Clinical Decision Support

Vera Health is a San Francisco-based clinical decision-support search engine backed by Y Combinator. Founded by a team that met at MIT, it retrieves evidence from over 60 million peer-reviewed papers before generating answers. Every claim links back to the original source. Free for licensed clinicians.

OpenEvidence is a Miami-based AI medical search engine founded by Harvard researchers and launched through the Mayo Clinic Platform Accelerate program. It is free and ad-supported, with 757,000+ verified physicians, 20M+ consultations per month, and content partnerships with NEJM, JAMA Network, NCCN, ACC, AAFP, and ACEP.

UpToDate is a long-established clinical reference resource, covering 12,000+ topics by 7,400+ physician authors. The content is solid. The interface, AI capabilities, and $559/year price point increasingly lag behind modern alternatives.

Doximity is the largest physician network in the US with 3M+ registered members (85% of US physicians). DoxGPT, expanded through the Pathway Medical acquisition, now offers evidence-based clinical answers, 3,200+ drug monographs, PeerCheck physician review, and AI documentation alongside networking, telehealth, and secure messaging.

Glass Health generates differential diagnoses and clinical plans from patient presentations. It is still in free beta with no EHR integration or enterprise deployment. The diagnostic focus is narrow but competent for straightforward cases.

Epocrates is one of the most widely adopted mobile drug reference apps among U.S. physicians, with over 1 million healthcare professional users. The free tier covers drug interactions and basic formulary info; the paid Plus tier ($174.99/year) adds disease content, diagnostic tools, and lab references. Strong on pharmacology, weaker on AI-driven clinical reasoning.

DynaMed is an Ipswich, MA-based clinical reference tool owned by EBSCO, covering 3,400+ clinical topics with daily updates and explicit levels of evidence. Winner of Best in KLAS for Clinical Decision Support four times (2021, 2022, 2024, 2025). Individual subscriptions start at $399/year.