Dr. Whittington grew up in Austin, Texas, attended Baylor University earning a BS in Neuroscience before obtaining his medical degree at Texas A&M College of Medicine. He completed his general surgery residency at the University of Tennessee Medical Center in Knoxville, Tennessee followed by a vascular surgery fellowship at the University of Wisconsin in Madison, Wisconsin.

He has returned to Texas with a focus on treating the broad field of vascular disease with special interest in both open and endovascular surgical repair of complex aortic pathology, renal and mesenteric ischemia, carotid disease, dialysis access, and peripheral arterial disease.