St. John Health System names new CEO

(Tulsa) July 11, 2018 — Michael L. Mullins, senior vice president, Ascension Healthcare, has been named Ministry Market Executive for St. John Health System based in Tulsa. In this role, Mullins will serve as chief executive for all of St. John’s sites of care, which includes seven hospitals and more than 90 healthcare clinics and medical facilities in eastern Oklahoma and southeastern Kansas. Ascension is the largest non-profit health system in the U.S. and the world’s largest Catholic health system.

Mullins was named interim CEO for St. John Health System in September 2017. Since July 2016, he also served as president and CEO of Wichita-based Ascension Via Christi, the largest provider of healthcare services in Kansas.

Under a new Ascension structure, Mullins will lead both the Kansas and Oklahoma markets. Mullins formerly served as the chief operating office for Ascension’s St. Vincent in Indiana.

“Mike’s experience and skills as a healthcare leader will help St. John meet the evolving needs of those we are privileged to serve in Tulsa and surrounding communities,” said David Sigmon, chairman of St. John Health System board of directors. “We are working closely with Mike as St. John continues to provide the highest quality of compassionate, personalized care and an excellent patient experience to everyone we serve throughout eastern Oklahoma and southeastern Kansas."

In addition to his many years and leadership roles with Ascension Healthcare, Mullins has more than 30 years of hospital leadership experience, including Quorum Health, where prior to joining ascension he was Regional Vice President which  provided leadership and operations support for 12 hospitals and strategic business arrangements in Colorado.

In addition to his professional accomplishments, Mullins is a retired captain of the Medical Service Corps, United States Naval Reserves, where he served for 32 years including in Operation Enduring Freedom and Operation Iraqi Freedom.

Mullins holds a master’s degree in healthcare administration from Trinity University, San Antonio, and a bachelor’s degree political science from University of Texas at El Paso. He is a Fellow of the American College of Healthcare Executives.


About St. John Health System 
St. John Health System is a part of Ascension (, the largest non-profit health system in the U.S. and the world’s largest Catholic health system. In eastern Oklahoma and southeastern Kansas, St. John operates seven hospitals and more than 90 healthcare clinics and facilities that together employ more than 8,000 associates. Across the region, St. John provided more than $80 million in community benefit and care of persons living in poverty in fiscal year 2017. Serving Oklahoma for over 90 years, St. John is a faith-based healthcare organization dedicated to transformation through innovation across the continuum of care.  

Ascension is committed to delivering compassionate, personalized care to all, with special attention to persons living in poverty and those most vulnerable. In FY2017, Ascension provided more than $1.8 billion in care of persons living in poverty and other community benefit programs. Ascension includes approximately 165,000 associates and 40,000 aligned providers. Ascension’s Healthcare Division operates more than 2,600 sites of care – including 151 hospitals and more than 50 senior living facilities – in 22 states and the District of Columbia, while its Solutions Division provides a variety of services and solutions including physician practice management, venture capital investing, investment management, biomedical engineering, facilities management, clinical care management, information services, risk management, and contracting through Ascension’s own group purchasing organization.

Leah Harper

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