Keith grew up in Paris, Texas, where he was valedictorian of his high school class as well as a National Merit Finalist. He received a Bachelor of Arts degree in both Economics and Chemistry from Trinity University in San Antonio, Texas. He attended medical school at the University of Texas Medical Branch in Galveston, Texas. He then completed his general surgery internship and urology residency at the University of New Mexico Health Sciences Center in Albuquerque, New Mexico. After residency, Dr. Xavier completed a fellowship in Female Urology, Neurourology, and Stone Disease at Columbia University, College of Physicians and Surgeons, in New York City. While there, he was involved with numerous academic publications and presentations on both incontinence and stone disease.
He specializes in female and male incontinence, voiding dysfunction, and pelvic floor reconstruction. He performs many male slings and artificial urinary sphincters(for men with post-prostatectomy incontinence), Green Light Laser TURPS, prolapse repairs and slings in women, as well as Interstim nerve stimulation therapy for urinary control. He is board-certified by The American Board of Urology.
Dr. Xavier lives in Southlake with his wife, Margaret, and their two sons.