Noctrix Health vs Doximity
Side-by-side comparison of AI visibility scores, market position, and capabilities
Maker of Nidra, the first FDA-authorized drug-free device for drug-refractory Restless Legs Syndrome. ~$24M ARR; acquired by ResMed for $340M (expected close June 2026).
About
Noctrix Health is a medical device company commercializing Nidra Therapy — the first and only FDA-authorized, drug-free treatment for drug-refractory Restless Legs Syndrome (RLS). The Nidra device uses Tonic Motor Activation (TOMAC) technology to deliver gentle electrical stimulation to the legs, reducing RLS symptoms without pharmaceutical side effects. The FDA granted De Novo authorization in 2023. In August 2025, Noctrix raised $33.5M in combined debt and equity to accelerate U.S. commercialization, reaching an annual revenue run rate of approximately $24M. ResMed signed an agreement in 2026 to acquire Noctrix Health for $340M, with the transaction expected to close around June 1, 2026 — Noctrix''s revenue will be reported within ResMed''s Americas Devices category post-close.
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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