Leadership & Staff

Chris Wortham

Chris Wortham

Chief Executive Officer

Chris joined HealthSouth Rehabilitation Hospital Midland/Odessa in 2012 as CEO. Prior to joining HealthSouth, he was the CEO of Winner Regional Healthcare Sanford in Winner, South Dakota. Chris has more than a decade of healthcare leadership experience and is also a registered nurse. His education includes a Master of Arts in Management and Health Care Administration from Wayland Baptist University in Plainview, Texas, a Bachelor of Science in Nursing from Lubbock Christian University in Lubbock, Texas, and a Registered Nurse Diploma from Methodist Hospital School of Nursing in Lubbock.
Dr. Mark Fredrickson

Mark A. Fredrickson, M.D.

Medical Director

Dr. Fredrickson has been with HealthSouth Rehabilitation Hospital of Midland/Odessa for more than 22 years. He graduated in 1992 from University of Texas Southwestern Medical School in Dallas. He is certified by the American Board of Physical Medical and Rehabilitation.

Mark A. Fredrickson, M.D. is an independent private practice physician whose office is located at the hospital.

Tracie Davidson

Tracie Davidson, RN, BSN

Chief Nursing Officer

Tracie joined the HealthSouth team in September 2014 as the chief nursing officer. She has greater than 10 years nursing leadership experience and has worked with trauma, medical-surgical and critical care patients and staff. A native west Texan, she received her bachelor’s degree in nursing from Angelo State University in San Angelo. Tracie spends her time away from the hospital hanging out with her husband Kevin, their children and close friends. 


Sergio Diaz

Sergio Diaz

Director of Quality

Sergio, a native of Midland, is the PPS coordinator. He completed his undergraduate degree from UTPB in 2004 and received a bachelor’s degree in biology. In 2011, he received a bachelor’s degree in nursing from Texas Tech. He has worked in acute care and inpatient rehabilitation during his career. Sergio is happily married and has two beautiful children. He enjoys spending time with his family, playing softball and exercising.

Baraba Eaton

Barbara Eaton

Director of Case Management

Barbara has been with HealthSouth Rehabilitation Hospital of Midland/Odessa for more than 16 years.  She currently serves as the hospital’s director of case management. Before joining HealthSouth, she held roles in hospice organizations and in the criminal justice industry. Barbara received a bachelor’s degree from Texas Tech University in social sciences and received a master’s degree from University of Texas of the Permian Basin in psychology.
Vivian Irwin

Vivian Irwin

Chief Financial Officer

Vivian Irwin joined HealthSouth of Midland as chief financial officer in April 2013. She has eight years of experience in rehabilitation at both the hospital and corporate levels. Her experience includes 20 years in finance and accounting, including previous positions as a CFO, staff accountant and financial analyst. Vivian has a bachelor’s degree in business administration with a focus in business computer systems from New Mexico State University. She is a New Mexico native and lived in Arizona for five years before relocating to Midland with her husband and two children. In her spare time, Vivian enjoys the outdoors, sporting events and spending time with her family.
Ramon Lujan

Ramon Lujan

PPS Coordinator

Ramon joined HealthSouth Rehabilitation Hospital of Midland/Odessa in 2015 as  clinical floor nurse before being promoted in May 2016 to PPS Coordinator. He is a native of Pecos, Texas, and received his bachelor’s degree in criminal justice from the University of Texas of the Permian Basin. He also holds an associate degree in applied science and a registered nurse degree from Howard College. In his spare time, Ramon's favorite hobby is traveling.

Tina Parker

Tina Parker

Director of Human Resources

Tina serves as the human resources director for HealthSouth Rehabilitation Hospital of Midland/Odessa and has worked for HealthSouth for more than 10 years. She has been a resident of west Texas her entire life and moved to the Midland area around 15 years ago.  She recently completed her master’s certificate in human resources.
Marly Santonil

Marly Santonil

Director of Therapy Operations

Marly joined HealthSouth Rehabilitation Hospital of Midland/Odessa in 1994 as the director of physical therapy and was promoted to the director of therapy operations. A native of the Philippines, Marly received her physical therapy degree from the University of the Philippines, College of Allied Health and Medical Professions. She moved to Texas in 1985.
Tamara Spires

Tamara Spires

Director of Marketing Operations

Tamara joined HealthSouth Rehabilitation Hospital of Midland/Odessa in 2010. She joined HealthSouth with 20 years of experience in sales and marketing and has spent the past 11 years in the healthcare industry.  A native of Midland, she came back to west Texas more than 10 years ago. She received a bachelor’s degree in speech communication from Texas A&M University.  Tamara enjoys her family and friends and traveling.