About Us

Shawn Parsley, D.O., serves as president and chief operations officer of Texas Health Physicians Group (THPG). He brings over 25 years of experience as a successful family physician and healthcare business leader to THPG.

Since joining Texas Health in 2011, Dr. Parsley has worked closely with system and hospital leadership to develop and implement the organization’s employed physician and advanced practice provider strategy. In addition, he works jointly with Southwestern Health Resources, a regional health network integrating the UT Southwestern Medical Center and Texas Health systems, to deploy value-based care initiatives.

Parsley was a U.S. Army Health Professions Scholarship winner in medical school and began his career as a captain in the U.S. Army, where he was quickly elevated to chief of clinics for the largest outlying health clinic in the European Regional Medical Command. Before joining THPG, he served in leadership roles with Medical Edge Healthcare Group and successfully syndicated multiple physician-owned enterprises. He has also served on numerous boards and committees, both within Texas Health and in private business.

Parsley received his undergraduate degree from Southwestern University in Georgetown, Texas, before graduating medical school from the University of North Texas Health Science Center at Fort Worth. He completed his residency at the Osteopathic Medical Center of Texas in Fort Worth.

Sunita Koshy-Nesbitt, M.D., M.B.A., is the chief medical and quality officer for Texas Health Physicians Group (THPG), and chief quality officer, Texas Health Resources Hospital Channel. She is responsible for providing clinical perspective, knowledge, experience and leadership for THPG’s employed and affiliated physicians and advanced practice providers. She facilitates communication with providers and oversees the overall quality of care across the organization, including supporting all quality initiatives, clinical resource utilization, physician performance, use of clinical information technology and clinical outcomes.

Koshy-Nesbitt also works closely with the hospitalists and care teams to achieve systemwide hospital and physician key performance indicators and key performance measures related to clinical quality improvement and safety. Additionally, she collaborates with THPG physicians and Texas Health leaders to establish systematic and highly reliable processes to improve effectiveness and efficiency across the physician and hospital channels.

In 2014, Koshy-Nesbitt served as a consultant with the Texas Health Heart and Vascular Council and then went on to serve as the medical director for the Ornish Intensive Cardiac Rehab Program for the Reversal of Heart Disease. In 2017, she joined Southwestern Health Resources (SWHR), as the deputy clinical operations officer for the Population Health Services Company and was later promoted to senior vice president and chief population health services officer. In March 2020 she shifted from SWHR to Texas Health assist the system with the COVID pandemic. She was named Texas Health’s Hospital Channel chief quality officer in October 2020.

Koshy-Nesbitt received her bachelor’s degree in violin performance from the Frost School of Music at the University of Miami in Coral Gables, Florida. She earned her medical degree from the University of Miami School of Medicine in Miami, Florida. She completed her internal medicine residency and served an additional year as chief resident at the University of Maryland Medical System and VA Medical Center in Baltimore, Maryland. In addition, she completed her general cardiology and clinical cardiac electrophysiology fellowship at the University of Texas Southwestern Medical Center in Dallas, Texas. She earned a master’s degree in healthcare management and administration from the University of Texas Dallas/Naveen Jindal School of Management. She was president of the American Heart Association Board of Directors for Dallas between 2020-2023.