Oath Surgical: $24 Million Series A Raised For Building AI-Based Surgeon-Led Network

By Amit Chowdhry • Oct 16, 2025

Oath Surgical has secured $24 million in an oversubscribed Series A funding round led by FPV Ventures, with participation from McKesson Ventures and existing investors OSE, Black Opal Ventures, Tau Ventures, and Rogue VC. The new funding brings the company’s total funding to $35 million.

It will be used to expand Oath Surgical’s footprint across new specialties such as oncology, scale its national network of surgeon-owned, AI-driven surgical centers, and advance the development of OathOS—the first integrated artificial intelligence platform designed to unify the fragmented systems used in surgery today.

Surgery remains the single most significant expense in the U.S. healthcare system, driving between $500 billion and $1 trillion annually. By 2026, Medicare is expected to allow more than 51 million procedures to shift to outpatient settings, heightening the demand for modern, technology-enabled surgical centers that can safely manage complex cases outside hospitals. Oath Surgical’s model combines advanced technology with surgeon ownership to align incentives across the entire surgical ecosystem—patients, providers, and payors.

OathOS, the company’s proprietary platform, is at the center of this transformation. It replaces a disjointed mix of scheduling tools, billing systems, and reporting software with a unified AI engine that automates and coordinates the full surgical workflow, from patient referral through recovery.

The system enables real-time data collection, workflow optimization, and predictive automation designed to make procedures faster, safer, and more consistent. For surgeons, this represents a leap toward a truly AI-powered operating room. For patients, it means faster treatment, same-day recovery, and higher satisfaction. For payors, the platform delivers transparent outcomes and lower costs.

In parallel, Oath Surgical is constructing a national network of surgeon-owned and technology-connected facilities that enable consistent, value-based surgical care. Traditional outpatient centers often operate independently, but Oath’s platform allows for seamless coordination across sites, ensuring standardized outcomes and cost efficiencies. The network model also helps payors direct complex procedures to lower-cost, high-quality facilities while preserving surgeon autonomy.

In its first 12 months, Oath Surgical has grown to more than 150 surgeon partners, demonstrating the viability of its model on the West Coast. The company reports:

  1. Up to 80% cost savings compared to hospital-based procedures, in some cases as much as $100,000 per operation.
  2. A complication rate below 0.25% across complex surgeries.
  3. A patient satisfaction rate of 98.5%.
  4. Same-day discharge with recovery periods reduced from weeks to days.

Building on this momentum, Oath Surgical plans to expand nationally by the end of 2025, entering new markets and surgical specialties, including urology, gynecology, general surgery, spine, ENT, orthopedics, and pain management. The company also plans a significant expansion into surgical oncology—a multi-billion-dollar segment expected to grow by 15% annually over the next decade.

The company’s investors see Oath as part of a broader shift in healthcare infrastructure. FPV Ventures, known for backing mission-driven founders in transformative sectors, sees Oath’s AI-first, surgeon-led model as emblematic of healthcare’s future. McKesson Ventures, a strategic investor in early- and growth-stage healthcare companies, noted the company’s potential to improve outcomes and affordability in community-based specialty care.

Oath Surgical’s approach aligns with value-based care principles—improving outcomes while reducing costs—through an integrated model that combines intelligent software and tech-forward surgical facilities. Its vision represents a significant shift away from hospital-dominated surgical care toward a distributed, data-driven, and physician-empowered ecosystem.

KEY QUOTES:

“Surgery is at a turning point. The shift of complex care out of hospitals is inevitable, but it won’t happen by chance. It will take a new kind of system—high-tech, surgeon-led, and aligned across patients, providers, and payors. That’s what we’re building at Oath.”

Oliver Keown, MD, Founder and CEO, Oath Surgical

“At FPV, we back mission-driven founders who are building the systems that will shape the future, often long before others can see it. When we met Oliver and his team, we saw the rare combination of vision, founder-market fit, and conviction it takes to rethink surgery from first principles and rebuild it for the future.”

Pegah Ebrahimi, General Partner, FPV Ventures

“Delivering high quality, complex oncology and specialty care in the community requires true innovation for patients, their families, providers and payors to achieve the best possible outcomes. We’re proud to support Oath on this path toward an optimized care experience for all these key stakeholders.”

Carrie Williams, Partner, McKesson Ventures