Arbiter
Category: AI in Healthcare
AI-powered care orchestration platform that unifies patients, payers, and providers on one intelligent platform to deliver the right care, in the right place, at the right time Arbiter was founded in 2025. The company is led by Michelle Carnahan. Based in New York, United States. Team size: 50-100. Total funding raised: $52 million. Latest round: Seed round. Key investors include TriEdge Investments, MFO Ventures, WindRose Health Investors.
- Founded
- 2025
- Headquarters
- New York, United States
- Team size
- 50-100
- Total funding
- $52 million
Value proposition
Streamlines healthcare operations by automating decision-making and ensuring alignment among stakeholders through AI-driven insights and actions, reducing the nearly $1T in annual healthcare waste
Products and solutions
Real-time site-of-care optimization, Longitudinal patient record integration platform, Automated prior authorizations, Provider graph and routing engine, Patient engagement and scheduling
Unique value
Pioneers the Record-Action-Alignment model, combining longitudinal patient data with AI to automate stakeholder coordination in care delivery
Target customer
Healthcare providers, payers, and systems managing value-based care and risk-based contracts
Industries served
Healthcare, Value-based care, Risk-based contracting, Digital health
Technology advantage
AI-powered automation of complex healthcare workflows using the Record-Action-Alignment model - unifying clinical, financial, and policy data into a single source of truth with agentic AI recommending and automating next best steps in real-time
How they differentiate
Arbiter differentiates by focusing on rebuilding the 'operating spine' of U.S. healthcare through AI-driven integration of fragmented systems, whereas competitors focus on specific point solutions like patient engagement or capacity management
Main competitors
Hippocratic AI, DexCare, Abridge
Key partnerships
National payers, Major provider networks, Over 1,000 clinicians onboarded nationally, Investor network representing $25B+ in annual healthcare payments
Notable customers
National payer partnerships, Major provider networks, Over 1,000 clinicians across healthcare systems
Major milestones
Raised $52 million seed round at $400 million valuation (November 2025), Exited stealth mode with AI platform launch (November 19, 2025), Former Eli Lilly executive-led team with proven healthcare industry experience, First application (real-time site-of-care optimization) already in deployment
Growth metrics
Over 1,000 clinicians onboarded nationally, investor network oversees millions of patient lives and $25B+ in annual healthcare payments
Market positioning
Positioned as a comprehensive AI platform aiming to streamline healthcare operations, with focus on connecting providers, payers, and patients through unified data systems
Geographic focus
United States, with focus on national healthcare system integration
Patents and IP
No specific patents mentioned; innovation centered around proprietary AI models and operational frameworks
About Michelle Carnahan
26 years at Eli Lilly in senior leadership roles including COO for international business; 4 years as President of Thirty Madison (digital pharmacy startup); former Sanofi North America executive
Official website: https://www.arbiter.ai