Dr. Brenner served in the US Army Medical Corp for 10 years and attained the rank of Major. After honorable discharge Dr. Brenner practiced cardiology in Vancouver, Washington for 6 years. He moved to South Texas in 1999 and has practiced in Corpus Christi since 2000. Dr. Brenner evaluates and treats all cardiovascular disorders. He was the first physician in Corpus Christi to perform cardiac catheterization through the wrist (radial artery) and continues to perform most cardiac procedures using this method. The radial artery approach minimizes risk and patient discomfort.