Dr. John Luellen serves as the Mercy Health state president of Ohio, a role established in 2025 to provide strategic oversight of the Youngstown, Lorain, Cincinnati, Springfield, Lima and Toledo markets.
In this position, he is responsible for delivering on key performance indicators, prioritizing capital investments, identifying growth opportunities across the state and fostering cross-market collaboration and strategic partnerships.
Since joining Mercy Health in 2018 as chief operating officer for Youngstown, Dr. Luellen has played a pivotal role in advancing health care delivery. Later that year, he was appointed market president of Mercy Health — Lorain and Mercy Health — Youngstown, where he oversaw hospital and ancillary service operations, along with a network of employed and affiliated physicians. His leadership has been instrumental in strengthening operational performance and enhancing patient care in both regions.
With more than two decades of experience in medicine and healthcare administration, Dr. Luellen brings a unique blend of clinical expertise and executive leadership to his role. His background as an emergency physician and his deep knowledge of health care management enable him to drive operational excellence while keeping patients at the center of every decision. He is known for leading cross-market, high-performing teams, fostering strategic growth and ensuring financial stewardship while expanding access to high quality care.
Passionate about mission-driven work, Dr. Luellen is committed to ensuring fiscal sustainability while continuing to serve underserved populations. His vision is to improve health care quality, enhance access to care and strengthen Mercy Health’s impact across Ohio.
Vision & Passion
I continue to be inspired by the faith-based mission of our organization as we serve some of the most underserved in our communities in a fiscally sustainable manner.
Education & Training
Fast Facts / Career Achievements