Big Health vs Doximity
Side-by-side comparison of AI visibility scores, market position, and capabilities
$23.7M round in Feb 2026 led by .406 Ventures and AlleyCorp with CVS Health Ventures. Makers of Sleepio and Daylight — sleep and mental health DTx.
About
Big Health is a pioneer of prescription digital therapeutics for mental health and sleep. Its flagship products — Sleepio (insomnia) and Daylight (anxiety) — are both cognitive behavioral therapy (CBT) programs delivered as software, with randomized controlled trial evidence of clinical efficacy.
Doximity (NYSE: DOCS), professional network for US physicians with 2M+ verified clinicians; telehealth, medical news, and career tools monetized via pharmaceutical digital marketing.
About
Doximity is a professional network and digital health platform purpose-built for licensed physicians and other healthcare professionals in the United States. With more than two million verified clinicians on the platform — representing the majority of practicing US physicians — Doximity has established itself as the dominant professional network for doctors, providing identity-verified peer connections, specialty-specific news feeds, medical journal access, and career management tools including a physician job board and CV builder. The verification layer distinguishes Doximity from general professional networks and makes it the standard reference for confirming physician credentials and contact information across the healthcare industry.
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