Dr. William Armstrong received his B.S. in Biology from Millsaps College in Jackson, Mississippi and his medical degree from West Virginia School of Osteopathic Medicine in Lewisburg, West Virginia. He completed an Internal Medicine residency at the University of South Alabama in Mobile, Alabama and later his Diagnostic Radiology residency at Still Regional Medical Center in Jefferson City, Missouri. A Fellowship in Angiography and Interventional Radiology at the University of Tennessee in Memphis, Tennessee was also completed by Dr. Armstrong.
In 2001, he obtained a subspecialty certification in Vascular and Interventional Radiology through the American Osteopathic Board of Radiology.