His areas of expertise include the following: atherosclerosis, angina, and mitral valve disease. He is professionally affiliated with the University of Texas (UT) Southwestern Medical Center. Dr. Warner honors several insurance carriers, including Blue Cross/Blue Shield, Blue Choice, and Blue Cross Blue Shield Bronze. He attended medical school at Vanderbilt University School of Medicine. He completed his residency training at a hospital affiliated with the University of Texas Southwestern Medical Center at Dallas. Dr. Warner has received professional recognition including the following: Texas Super Doctors; Guidant Interventional Cardiology Fellow; and Walter l. Floyd Endowed Cardiology Fellowship Outstanding Cardiology Fellow, Duke University.