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Thomas Aloia, MD

Executive Vice President and System Chief Clinical Officer

Ascension

St. Louis, MO

Dr. Aloia serves as executive vice president and system chief clinical officer of Ascension, leading clinical strategy, quality, safety, care transformation and physician engagement across one of the nation’s largest nonprofit health systems. He oversees clinical performance across more than 2,600 sites of care, aligning primary care redesign, specialty integration, virtual care and service line strategy with Ascension’s value-based care goals. Through executive sponsorship of the system’s clinical innovation institute and oversight of the Ascension Clinical Research Institute, he has built an enterprise infrastructure that integrates research, analytics and digital tools directly into clinical workflows. Ascension now supports nearly 3,000 active or approved research studies within a unified clinical trials management platform designed to accelerate evidence translation into frontline practice. Under his leadership, the system has advanced scalable care models aimed at improving coordination, reducing unnecessary acute utilization and strengthening clinician experience. A hepatobiliary surgical oncologist and former chief quality officer at Houston-based MD Anderson Cancer Center, Dr. Aloia brings academic rigor to enterprise operations while positioning innovation as a driver of measurable gains in access, affordability and outcomes across Ascension.

Becker's Recognition

Thomas Aloia, MDhas been named a Becker's honoree on the lists below.

2026 Winner

Executives

252 Hospital and Health System Chief Medical Officers to Know

Becker’s Healthcare is proud to recognize exceptional chief medical officers serving hospitals and health systems nationwide.

These physician executives are instrumental in elevating patient safety, upholding rigorous quality standards, strengthening collaboration between executive leadership and medical staff, and guiding risk management efforts.

As champions of clinical excellence and continuous improvement, their leadership has helped their organizations achieve distinguished quality and safety recognitions.

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