Dr. Sewell graduated from University of Texas Medical Branch School of Medicine in 1974 and has been in practice for 41 years. He completed a residency at University Hospital South Texas Medical Center. He currently practices at Master Center for Minimally Invasive Surgery LLP and is affiliated with Texas Health Harris Methodist Hurst-Euless-Bedford Hospital and Texas Health Harris Methodist Southlake. Dr. Sewell is board certified in Surgery.