Steven Edgar, FACHE PT
Chief Executive Officer
In 2016, Steven Edgar joined Medical City Denton from Wesley Woodlawn Hospital, a 99-bed acute care hospital in Wichita, Kansas, where he served as CEO for four years. During his tenure at Wesley Woodlawn he achieved outstanding patient satisfaction and employee engagement, and expanded service lines including ER, cardiology, and surgical services.
Prior to Wesley Woodlawn, Edgar served as Chief Operating Officer and Associate Administrator of the 760-bed Wesley Medical Center in Wichita, leading volume growth strategies, physician relations and recruitment, staffing, capital construction, and ancillary patient care departments.
Edgar holds a bachelor's degree in health science-physical therapy from the University of Missouri, Columbia, and a Master of Public Administration - health administration, from University of Missouri, Kansas City. He is a fellow of the American College of Healthcare Executives.
Mathis Adams, MD
Chief Medical Officer
As Chief Medical Officer, Mathis Adams, MD, provides senior clinical direction and leads continuous care and quality efforts, collaborating closely with physicians, clinicians and colleagues to ensure the successful implementation of Medical City Healthcare’s multi-faceted patient and colleague initiatives.
Prior to this role, Dr. Adams served as president of Envision Surgical Services in North Texas where he led efforts in clinical excellence, compliance, risk and outcomes. With 17 years of medical practice and leadership experience, Dr. Adams has directed services for 45 medical practices in nine states, consisting of 170 surgeons and 130 advanced practice professionals. Dr. Adams previously was the regional medical director and executive vice president for the company’s surgical services division and was recognized as the physician of the year for surgical services in 2014 and a trustee of the Texas Hospital Trustee Association in 2009.
Dr. Adams earned a Bachelor of Science in Biology from Abilene Christian University and a medical degree from Texas Tech University School of Medicine. He is certified in general surgery by the American Board of Surgery, is a Fellow of the American College of Surgeons and a member of the Eastern Association for the Surgery of Trauma.
Chief Operating Officer
John Walker joined Medical City Denton from Medical City Dallas, where he served associate administrator since August 2016.
Prior to joining Medical City Dallas, Walker served as the associate administrator at Medical City McKinney, where he oversaw pharmacy, laboratory, the senior health clinic, plant operations, food and nutrition services, environmental services and security.
During his tenure at Medical City McKinney, Walker achieved top employee engagement scores, opened a senior health clinic, increased patient experience scores in his role as service excellence champion, and served as the chief staffing officer. Additionally, he gained experience in product line development, strategic planning/capital acquisition management, and construction management.
Prior to joining HCA, Walker worked in commercial real estate at Swearingen Realty Group in Dallas. He holds a Master of Science, Healthcare Administration degree from Trinity University, along with a Master of Business Administration degree, with an emphasis in finance, and a Bachelor of Business Administration degree in finance from Texas Tech University.
Walker has served on the board of directors for Community Lifeline Center, is a member of the American College of Healthcare Executives and was inducted into the Garland sports Hall of Fame in 2013. He resides in Plano with his wife Kendall and son, Graham.
Brandy Stegall, MSN, RN, NEA-BC
Chief Nursing Officer
Brandy Stegall is the Chief Nursing Officer (CNO) at Medical City Denton. Brandy came to Medical City Denton in March 2019. Brandy had been CNO at Medical City Lewisville since 2014.
Brandy has more than 20 years of nursing experience and has spent the last 15 years serving in leadership positions within Medical City Healthcare. Her clinical nursing experience includes emergency medicine, critical care, cardiac catheterization lab and recovery room. At Medical City Lewisville, she helped increase critical care volume, earn the hospital stroke and chest pain accreditation and led the hospital through the expansion of cardiothoracic services, including open-heart surgery and interventional cardiac cath lab service. Under her leadership, employee engagement scores in acute and critical care rose to HCA Healthcare’s top 10 percent.
Brandy received an associate's degree in nursing from Gordon College in Barnesville, Georgia, a bachelor's degree in nursing from North Georgia College, and a master's degree in nursing from Walden University. She is board certified in Executive Administration by the American Nurses Credentialing Center, and is an active member of the North Texas Organization of Nurse Executives and the American College of Healthcare Executives. She was also selected as one of the "Dallas-Fort Worth Great One Hundred Nurses" in 2014.
Chief Financial Officer
Adam Proctor joined Medical City Denton as Chief Financial Officer (CFO) in April 2019. As CFO, Adam has direct responsibility for all financial-related reports.
Adam came to Medical City Denton from HCA's MidAmerica Division Physician Services Group, where he was controller for two years. Before that, he was controller at Medical City Fort Worth from 2015 to 2017.
Adam has more than 15 years of accounting and finance experience, most of it with healthcare organizations. He earned a bachelor of science degree in business administration from Longwood University.