Sam Antonios, MD

Dr. Sam Antonios is a board‑certified internal medicine physician and accomplished healthcare executive with extensive experience leading large‑scale clinical and operational transformation. He has held senior executive roles overseeing multi‑hospital systems, clinically integrated networks, and physician enterprises, with responsibility spanning quality and safety, population health, digital innovation, pharmacy services, and value‑based care strategy. Known for bridging bedside medicine with enterprise leadership, Dr. Antonios has driven measurable improvements in patient outcomes, physician engagement, and organizational performance while managing complex clinical and financial portfolios.

Throughout his career, Dr. Antonios has been recognized for advancing high‑reliability healthcare, scaling complex service lines, and leading organizations through periods of growth and change. His background includes executive leadership in clinical operations, medical informatics, and utilization management, as well as academic teaching and board service. He spent 17 years in executive-level positions with Ascension Via Christi Hospitals and since 2008 has held a position as Assistant Professor of Medicine with the University of Kansas. In May of 2026, CCK welcomed Dr. Antonios to its executive and leadership team, where he brings a data‑driven, collaborative, and patient‑centered approach to advancing organizational excellence.