Arrow

Arrow is a New York-based healthcare technology company building an AI-powered operating system for revenue cycle management (RCM). Formerly known as Walnut and often described as 'Stripe for healthcare,' Arrow helps healthcare organizations reduce claim denials, accelerate collections, and run billing, claims, and payer communications from a single platform. Founded in 2020 by Roshan Patel and Yash Joshi, the company emerged from stealth in 2024 with $110M in Series A financing led by Gradient Ventures.