5th Century Partners (“5CP”), a purpose-driven private investment firm that partners with healthcare and business services companies that have outsized growth potential, today announced it made a strategic investment in ION PT Network (“ION”), a premier physical therapy management company serving the workers’ compensation market. The transaction reflects 5CP’s continued focus on partnering with differentiated, founder-led companies that deliver measurable outcomes in complex healthcare environments.

Founded in 2017 by physical therapist Joseph Noel, ION PT Network manages physical therapy care on behalf of payers, employers, and third-party administrators, coordinating treatment through independent providers. Each referral is assigned to a dedicated clinical case owner who serves as the single point of contact across the injured worker, insurance claims adjuster, and treating provider. More than half of ION’s staff are licensed therapists, each with direct experience of treating the conditions they oversee, ensuring that the clinical judgment guiding each case is grounded in real-world practice. This combination of clinical depth, operational precision, and accountability to outcomes distinguishes ION in the market.

“5CP looks for founder-led companies that have built something genuinely differentiated in complex markets, businesses where the model itself is the competitive advantage,” said Marques Torbert, Managing Partner at 5th Century Partners. “ION’s approach to clinical oversight is exactly that. It is difficult to replicate, and it is what earns ION its position with payers. We are committed to helping Joe further build and optimize the business and deliver excellent outcomes to more payers and injured workers.”

“I had options when it came to choosing a partner,” said Joseph Noel, Founder and CEO of ION PT Network. “What differentiated 5CP was not just the capital. It was the depth of understanding. The 5CP team understands why the clinical model is the core of this business. That is the partnership I wanted.”

Will Smith, Partner at 5th Century Partners, added, “ION represents the kind of outcomes-driven organization that we are excited to invest in. Joe and his team have built a model that produces results with a leadership team that knows how to deliver them. We are partnering to refine their go-forward business and commercial strategy while continuing to support their differentiated clinical model. We’ve spent our careers in this industry, and now as investors, we bring unique expertise to help scale the business while protecting what makes it work.”

Joseph Noel will continue to serve as Founder and CEO of ION PT Network, leading the business through its next phase of growth. Recent additions to the leadership team include Sara Mulick as chief revenue officer and Alina Schreiber as chief financial officer.

The company will continue to operate under its existing brand and serve payers, third-party administrators, employers, and self-insured entities across the country.

About 5th Century Partners

5th Century Partners is a purpose-driven private investment firm that invests in lower middle-market companies within healthcare and business services that have outsized growth potential. The firm provides capital, operating expertise and strategic relationships that lead to sustainable growth, which in turn allows partner companies to realize their full potential and deliver positive outcomes to their stakeholders. Learn more at www.5cpartners.com.

About ION PT Network

ION PT Network is a national, clinician-managed physical therapy and rehabilitation network built exclusively for workers’ compensation. Founded in 2017, ION’s model assigns every referral to a licensed clinical case owner and maintains licensed clinical oversight throughout the life of each case. More than half of ION’s staff are licensed therapists. Learn more at www.ionptnetwork.com.

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