Governor Greg Abbott has appointed three individuals to the Texas Medical Board (TMB) District Review Committees. Sharon Carr and Dr. Mark Edwards have been named to the District Three Review Committee, with Carr’s term ending on January 15, 2026, and Edwards’ term concluding on January 15, 2028. Dr. David Lindzey was appointed to the District Four Review Committee for a term that will expire on January 15, 2030.
Sharon Carr is retired and resides in Canadian. She previously directed the Hemphill County Juvenile Bootcamp and currently serves as vice president of the board for Hemphill County Hospital. Carr also volunteers with Meals on Wheels and holds a Bachelor of Science in Sociology from Texas A&M University.
Dr. Mark Edwards is based in Sonora and serves as medical director of the Shannon Clinic Urgent Care Centers. He is certified by both the American Board of Family Medicine and the Board of Certification in Urgent Care Medicine under the American Board of Physician Specialties. He is also a fellow of the American Academy of Family Medicine, a member of the Southern Medical Association, an advisory board member for the Health Environmental Learning Program, and president and trustee at Lighthouse Community Church of Sonora. Edwards earned his undergraduate degree in Biology from Texas A&M University and his medical degree from Texas Tech University Health Sciences Center School of Medicine.
Dr. David Lindzey practices at Ascension Physician Group in Spicewood. He belongs to the Texas Medical Association and has previously served on boards for both the Texas Hospital Association and Volunteer Hospitals of America. Lindzey completed undergraduate studies at The University of Texas at Austin with degrees in Biology and Medical Technology before earning his Doctor of Medicine from Texas Tech University Medical Center.



