
Specialty-specific generative voice AI that answers patient calls. Free your patients from waiting on hold. 9M+ patient interactions served with Voice AI. -63% operational costs. +3% net new…

Specialty-specific generative voice AI that answers patient calls. Free your patients from waiting on hold. 9M+ patient interactions served with Voice AI. -63% operational costs. +3% net new…
Product: Specialty-specific generative voice AI agents that automate patient phone calls and access workflows
Headquarters: San Francisco, California
Founding year: 2023
Funding highlights: Multiple institutional rounds including a reported $22M Series A (Apr 2025) and ~ $50M Series B (Aug/Sep 2025)
Customers / scale: Trusted by hundreds of organizations; 9M+ patient interactions served (company claim)
Patient access and call center automation for healthcare providers
2023
Technology, Information and Internet
$3.5M
Company announcement
$22M
Reported by Dealroom and company materials
~$50M
TechCrunch reported ~ $50M; company later reported a $76M Series B in a September announcement
“Backed by institutional investors including Lightspeed Venture Partners, First Round Capital, Chemistry, Quiet Capital, Felicis, A*, Liquid2, and others (company and press reports)”
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Assort is led by Jon (Founder of Shimmer, former UCSF med student, AI researcher at Stanford) and Jeff (ex-Facebook, first engineer at Cameo, former Head of Product Engineering at Athelas/Commure).
In 2023, we became the first agentic AI to answer patient calls. Since then, we've powered tens of millions of patient interactions, helping health organizations and patients provide better access to care. We're growing fast with millions in ARR every month.
We're well-funded and backed by Quiet Capital, First Round, Chemistry, and strategic angels from Flatiron, Athena Health, Mercury, and PathAI. More funding news coming soon :).
Join us to build Assort OS — a customizable fleet of genAI agents transforming patient-provider interactions.
We are seeking our first-ever Head of Security — an individual contributor who will establish and lead Assort’s entire security function from the ground up. This role requires a hands-on leader who thrives in fast-paced, lean environments and is passionate about safeguarding healthcare data while enabling rapid innovation.
The Head of Security will own the full security lifecycle — from application and infrastructure protection to compliance, risk management, and incident response — with complete autonomy to design and implement a scalable, AI-driven security strategy.
Security Strategy & Architecture
Risk Assessment & Threat Management
Compliance & Governance
Incident Response & Recovery
Security Automation & AI Enablement
Security Culture & Awareness
We have published our operating principles "Raising the BAARS in Healthcare" on our blog - they describe how we work at Assort. They cover how we aim to run projects, spend time and make decisions. Specifically:
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