Leadership Team
National Platform. Local Focus.
OnDemand Visit leverages the vast resources of Priority OnDemand while being led by a dedicated OnDemand Visit leadership team focused on day-to-day program strategy, clinical coordination, partner support, and patient experience. This structure gives OnDemand Visit the strength of a national healthcare platform with the focused leadership needed to deliver responsive, patient-centered care in the communities we serve.



Eric Van Horn
CEO
Eric Van Horn, CEO
A seasoned healthcare leader, Van Horn brings extensive experience in home-based care, healthcare innovation, and organizational growth. Prior to joining Priority OnDemand, he served as Chief Growth Officer for Optum’s Home & Community division following its acquisition of Landmark Health, a company he co-founded as President and Chief Business Officer to deliver in-home medical care to patients with complex and chronic conditions.
Earlier in his career, Van Horn held senior leadership roles with CareMore Health Plan, where he led product development, network management, and growth initiatives through the company’s successful sale to Anthem, and PacifiCare prior to its sale to UnitedHealth Group.
Van Horn’s connection to healthcare and emergency medical services is deeply rooted, shaped by a family background of nurses, paramedics, and EMS leaders. His leadership reflects a commitment to expanding access to care by integrating EMS capabilities with technology-enabled, patient-centered services that reach individuals wherever they are. He holds a Bachelor of Arts in Quantitative Economics and Decision Sciences from the University of California, San Diego, and an MBA in Operations from the UCLA Anderson School of Management.

Dr. John Broderick
Chief Medical Officer
Dr. John Broderick, Chief Medical Officer
Throughout his career, Dr. Broderick has held senior leadership roles across national and regional healthcare organizations, including serving as Medical Group President for Optum at Home, Chief Clinical Officer for Landmark Health’s East Division, Chief Medical Officer for Adirondack Health, and Chief Medical Officer for OnDemand Visit. His work has centered on advancing care for elderly, medically complex, and at-risk populations through home-based care, telemedicine, community paramedicine, mobile integrated health, and value-based clinical models.
At Optum at Home, Dr. Broderick oversaw engagement and care delivery for more than 1 million at-risk patients and members across 33 states, including approximately 500,000 Medicare Advantage members. He was accountable for medical quality, HEDIS and STARS performance, care outcomes, and medical expenses across a population representing more than $25 billion in annual medical spend. Under his leadership, integrated clinical teams delivered measurable results, including demonstrated cost savings, high patient satisfaction, and reduced hospitalizations among high-need populations.
Dr. Broderick is recognized for building strong physician and provider governance structures, developing clinical workflows, supporting multi-state care delivery, and partnering with health plans, accountable care organizations, and medical groups to improve performance in value-based arrangements. He has also played a key role in clinical technology transformation, including the development of electronic health record capabilities and clinical decision support tools designed to support field-based and multipayer care delivery.
Earlier in his career, Dr. Broderick served as a health system Chief Medical Officer and emergency medicine leader, where he advanced quality improvement, utilization management, care coordination, NCQA readiness, rural health innovation, and emergency department operations. His leadership helped reduce readmissions, improve access and safety, strengthen care coordination, and create sustainable models for clinical service delivery in both rural and large-scale healthcare environments.
Board certified in Emergency Medicine and certified as a Physician Executive, Dr. Broderick brings a rare blend of clinical credibility, operational discipline, population health expertise, and executive vision. He is a trusted advisor to organizations seeking to improve quality, lower cost, expand innovative care models, and deliver compassionate, high-value care to patients with complex needs.

Steven Vincent
Chief Operations Officer
Steven Vincent, Head of Operations
Steven Vincent serves as Chief Operations Officer for OnDemand Visit. In this role, he helps lead Priority’s virtual health initiatives and OnDemand Visit programs, bringing together EMS resources, in-home care, telehealth, proactive outreach, urgent care response, care navigation, and community-based support to help patients receive the right care at the right time.
A recognized leader in Mobile Integrated Healthcare and Community Paramedicine, Vincent’s experience centers on building patient-centered, data-driven care models that improve access, strengthen care coordination, and reduce avoidable emergency department utilization. His work supports sustainable mobile health programs that connect patients, EMS agencies, health systems, payors, and community partners around more coordinated care.
Throughout his career, Vincent has focused on advancing care beyond traditional settings by integrating virtual clinical support with field-based resources. His operational background includes developing programs that support low-acuity urgent care response, identify and engage high-risk populations, support patients after key healthcare encounters, expand access for hard-to-reach communities, and create stronger connections between emergency response, ongoing care, and community-based services.
Most recently, Vincent was elected to the Board of Directors for the National Association of Mobile Integrated Healthcare Providers, where he collaborates with national leaders to advance partnerships, promote sustainable reimbursement pathways, support data-driven care transformation, and help shape the future of mobile health and community paramedicine across the United States.

Maggie O’Neil
Director of Patient Engagement
Maggie O’Neil, Director of Patient Engagement
Maggie O’Neil is an experienced healthcare leader specializing in patient experience, engagement strategy, and growth initiatives across complex healthcare systems. As Director of Patient Engagement for OnDemand Visit at Priority OnDemand, she leads the development and execution of patient-centered programs designed to enhance access to care and support innovative mobile healthcare delivery.
With more than 15 years of healthcare experience, O’Neil brings a strong track record of advancing customer experience strategies at scale. Prior to joining Priority OnDemand, she served as Director of Customer Experience at Molina Healthcare, where she partnered with executive leadership across 21 health plans to strengthen engagement initiatives and drive organizational growth. Her work included implementing Net Promoter Score programs, standardizing engagement protocols, and leading large-scale outreach campaigns to improve member satisfaction and outcomes. Throughout her career, O’Neil has played a key role in expanding healthcare access and improving service delivery, contributing to significant organizational growth and enhanced patient experiences. Her leadership and commitment to patient-centered care support OnDemand Visit’s mission to deliver innovative, high-quality mobile healthcare solutions.