Dr. McCarthy serves as executive vice president and chief physician executive at Memorial Hermann Health System, leading physician alignment and integration efforts across a network of more than 7,000 employed and affiliated physicians. He partners with acute, ambulatory and post-acute providers to advance high-quality, high-value care, supporting more than 1.8 million patient encounters, 200,000 surgeries, nearly 785,000 emergency visits and more than 31,000 births in the past year. He served as physician executive sponsor for the systemwide Epic transition and integration of AI tools into clinical workflows, driving specialty-specific optimization and documentation efficiency. Under his leadership, Memorial Hermann has earned approximately 350 “Certified Zero Awards” since 2011 for preventing hospital-acquired infections. He is advancing the system’s “Road to Value” strategy, including the 2026 launch of the primary care collaborative to strengthen value-based care infrastructure and manage total cost of care. Dr. McCarthy also oversaw the philanthropy-funded replacement of the Life Flight fleet, and expanded direct-to-employer models and workforce health initiatives aligned with affordability and sustainability goals. A trained emergency physician, he maintains strong physician governance structures and enterprise engagement to support quality, interoperability and workforce wellbeing.



