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.

Elizabeth Greenwood
Chief Operating Officer

Elizabeth joined Medical City Denton as Chief Operating Officer in December 2022. Previously, she served as assistant administrator on the executive leadership team at Medical City Plano where she served as co-ethics and compliance officer and had oversight of environmental services, food & nutrition services, lab, radiology, pharmacy, plant operations, real estate, and construction. In addition, she has assisted with key service line growth and capital project development, notably helping lead campus master planning efforts and securing zoning approval from the City of Plano.

Elizabeth holds a Master of Healthcare Administration from Trinity University, along with a Bachelor of Science in Neuroscience from Baylor University. She is a 2022 graduate of the HCA Healthcare Executive Development Program.

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.

Brandy Stegall, MSN, RN, NEA-BC
Chief Nursing Officer

Brandy Stegall was named the Chief Nursing Officer (CNO) at Medical City Denton in March 2019. Prior to that, Brandy was the CNO at Medical City Lewisville for five years. In total, Brandy has 25 years of nursing experience and has spent the last 18 years serving in progressive leadership positions within HCA. Her clinical nursing experience includes emergency medicine, critical care and cardiac catheterization lab.

Brandy has facilitated three Magnet accreditations and achieved multiple Unit of Distinction Awards, including HCA’s number one emergency department for the past three years.

During Brandy’s tenure within Medical City Healthcare, she has led with expertise and an uncompromising commitment to patient experience, while driving a culture of exceptional clinical quality, unparalleled nursing retention and employee engagement.

With a passion for adults with special needs, Brandy has served as the chair of the board for Special Abilities of North Texas since 2014. She also serves on the advisory board for Texas Woman’s University and North Central Texas College.

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 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.  She was also selected as one of the “Dallas-Fort Worth Great One Hundred Nurses” in 2014.

Adam Proctor
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.