Leadership Overview
INTEGRIS Health has 10 executives leading key functions including strategy, revenue management, financial oversight, operational scaling, technology infrastructure, clinical governance, and regional administration.
Committed to advancing patient outcomes, INTEGRIS Health delivers comprehensive medical services through a vast network of hospitals and specialty clinics, prioritizing community health and operational excellence across Oklahoma.
Committed to advancing patient outcomes, INTEGRIS Health delivers comprehensive medical services through a vast network of hospitals and specialty clinics, prioritizing community health and operational excellence across Oklahoma.
Leadership Roles at INTEGRIS Health
Gary Zook - Chief Executive Officer
Gary Zook, the Chief Executive Officer at INTEGRIS Health, directs the overarching strategic vision for the entire non-profit healthcare system. Zook architects long-term growth initiatives while ensuring the organization maintains high standards of patient care across all Oklahoma facilities. By aligning clinical goals with fiscal responsibility, the Chief Executive Officer fosters a culture of innovation and service excellence. Zook collaborates closely with the Board to navigate complex regulatory landscapes and expand the reach of specialty clinics. This leadership role involves managing high-level stakeholder relationships to secure the future of the health system. Through rigorous oversight of organizational performance, Gary Zook drives the mission of providing accessible, high-quality medical care. Ultimately, Zook secures the stability and reputation of the system within the competitive regional healthcare market, ensuring that every hospital and practice remains focused on the core objective of improving community health outcomes.

Dale Maddox - Chief Financial Officer & Vice President
Dale Maddox, the Chief Financial Officer & Vice President at INTEGRIS Health, oversees the capital allocation and budgetary planning for the entire non-profit system. Maddox directs financial reporting and risk management strategies to ensure the long-term viability of all hospitals and family care practices. By analyzing market trends, the Chief Financial Officer & Vice President identifies investment opportunities that align with the organization's commitment to expanding medical access. Dale Maddox works alongside the executive team to balance operational costs with the need for high-quality patient care delivery. This leadership position involves managing complex financial portfolios and ensuring compliance with all regulatory standards. Through disciplined fiscal management, Maddox supports the growth of the system, enabling the acquisition of new medical equipment and the development of specialty clinics. Ultimately, the Chief Financial Officer & Vice President maintains the financial integrity required to sustain the mission of providing exceptional healthcare services across the region.

Chris Hammes - Executive Vice President & Chief Operating Officer
Chris Hammes, the Executive Vice President & Chief Operating Officer at INTEGRIS Health, manages the daily operational workflows across the hospital network. Hammes directs the integration of clinical and administrative services to ensure seamless patient care delivery. By focusing on process improvement and resource allocation, the Executive Vice President & Chief Operating Officer enhances the efficiency of specialty clinics and family care practices. Chris Hammes coordinates with facility managers to maintain high standards of safety and service quality throughout the Oklahoma region. This role involves overseeing large-scale operational projects that support the expansion of medical services and the optimization of hospital throughput. Through strategic leadership, Hammes ensures that all departments function in alignment with the broader organizational goals. Ultimately, the Executive Vice President & Chief Operating Officer drives operational excellence, ensuring that the system remains a reliable provider of high-quality healthcare for the communities served.
Mindy Eggleston - Senior Vice President and Chief Operating Officer
Mindy Eggleston, the Senior Vice President and Chief Operating Officer at INTEGRIS Health, focuses on the internal scaling and organizational development of the system's family care practices. Eggleston directs initiatives to standardize care delivery models, ensuring consistent quality across all regional clinics. By optimizing staffing levels and patient flow, the Senior Vice President and Chief Operating Officer improves the accessibility of primary care services. Mindy Eggleston collaborates with clinical leaders to implement best practices that enhance patient satisfaction and operational throughput. This role involves managing the day-to-day performance of outpatient facilities and ensuring alignment with the system's broader strategic objectives. Through targeted operational improvements, Eggleston supports the growth of the primary care network, making healthcare more available to local communities. Ultimately, the Senior Vice President and Chief Operating Officer ensures that the foundational care services remain efficient, effective, and responsive to the needs of the patients served by the organization.
Avilla Williams - President
Avilla Williams, the President at INTEGRIS Health, directs the community engagement and regional outreach efforts for the healthcare system. Williams architects programs that strengthen the relationship between the hospitals and the local populations, ensuring that the organization remains responsive to community health needs. By overseeing public health initiatives and wellness campaigns, the President expands the impact of the system beyond the walls of the clinics. Avilla Williams collaborates with local stakeholders to address health disparities and improve access to care in underserved areas. This leadership role involves managing the brand reputation and ensuring that the mission of the non-profit system is clearly communicated to the public. Through strategic community partnerships, Williams drives the organization's commitment to social responsibility and health equity. Ultimately, the President ensures that the system remains a trusted and vital resource for the health and well-being of the communities throughout Oklahoma.

Irene Terry - OKCVPR, President
Irene Terry, the OKCVPR, President at INTEGRIS Health, directs the operational and strategic activities specifically within the Oklahoma City metropolitan area. Terry oversees the performance of the flagship facilities, ensuring that the system maintains a dominant market position in the capital region. By coordinating with local hospital administrators, the OKCVPR, President optimizes resource allocation to meet the high demand for specialty and emergency services. Irene Terry manages the integration of new service lines into the metropolitan network, ensuring that the facilities remain equipped with the latest medical technology. This role involves navigating the unique competitive landscape of the city while maintaining the system's non-profit mission. Through focused leadership, Terry enhances the efficiency and quality of care provided in the urban core. Ultimately, the OKCVPR, President ensures that the metropolitan operations remain a cornerstone of the organization's success and a primary driver of patient health outcomes.
David Summers - Chief Revenue Officer
David Summers, the Chief Revenue Officer at INTEGRIS Health, manages the financial intake processes and billing cycles across the entire hospital network. Summers optimizes revenue cycle management to ensure the sustainability of clinical operations and specialty care services. By implementing advanced data analytics, the Chief Revenue Officer identifies opportunities for financial efficiency and improved patient billing experiences. David Summers coordinates with department heads to streamline administrative workflows, reducing overhead while maintaining service quality. This role requires constant monitoring of reimbursement trends and payer relations to protect the fiscal health of the organization. Through strategic planning, Summers enhances the financial performance of the system, allowing for continued investment in medical technology and facility upgrades. Ultimately, the Chief Revenue Officer ensures that the financial foundation remains robust, supporting the broader mission of delivering comprehensive healthcare services to the diverse populations served throughout the state of Oklahoma.
Thomas McQuillan - Chief Technology Officer & Vice President, Information Technology)
Thomas McQuillan, the Chief Technology Officer & Vice President, Information Technology) at INTEGRIS Health, architects the digital infrastructure supporting all clinical and administrative functions. McQuillan directs the implementation of electronic health records and cybersecurity protocols to protect sensitive patient data across the network. By leveraging advanced technology, the Chief Technology Officer & Vice President, Information Technology) improves the connectivity between hospitals and specialty clinics, facilitating better care coordination. Thomas McQuillan oversees the deployment of innovative software solutions that streamline diagnostic processes and patient scheduling. This leadership role involves managing the IT budget and ensuring that the technological roadmap aligns with the evolving needs of the healthcare system. Through continuous digital transformation, McQuillan enhances the efficiency of medical staff and the overall patient experience. Ultimately, the Chief Technology Officer & Vice President, Information Technology) secures the technological foundation necessary for the organization to deliver modern, data-driven healthcare services throughout the state.
Dennis Parker - Chief Medical Officer
Dennis Parker, the Chief Medical Officer at INTEGRIS Health, directs the clinical standards and medical quality assurance programs across the hospital system. Parker oversees the recruitment and performance of medical staff, ensuring that all practitioners adhere to the highest levels of patient safety. By implementing evidence-based medicine protocols, the Chief Medical Officer improves clinical outcomes and reduces variability in care delivery. Dennis Parker works closely with the executive team to integrate new medical technologies into daily practice, enhancing the diagnostic capabilities of the hospitals. This leadership role involves managing peer review processes and ensuring compliance with national healthcare quality standards. Through continuous monitoring of clinical performance, Parker drives the organization's commitment to excellence in patient care. Ultimately, the Chief Medical Officer ensures that the medical staff remains focused on delivering safe, effective, and compassionate treatment to every patient within the INTEGRIS Health network.
Julie Watson - Senior VP & Chief Medical Officer
Julie Watson, the Senior VP & Chief Medical Officer at INTEGRIS Health, focuses on the strategic development of specialty medical services and clinical research initiatives. Watson directs the expansion of advanced treatment programs, ensuring that the system remains at the forefront of medical innovation. By fostering partnerships with academic institutions and research organizations, the Senior VP & Chief Medical Officer enhances the clinical capabilities of the specialty clinics. Julie Watson oversees the implementation of specialized care pathways that address complex health conditions, improving outcomes for high-acuity patients. This role involves collaborating with other C-suite leaders to align clinical research with the organization's long-term growth strategy. Through the promotion of medical excellence and innovation, Watson supports the system's reputation as a leader in specialized healthcare. Ultimately, the Senior VP & Chief Medical Officer ensures that the organization provides cutting-edge medical solutions to the diverse patient populations across the region.
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