Dr. Moya is a board certified interventional radiologist who welcomes patients at South Texas Health System in McAllen and Edinburg locations. He specializes in all facets of interventional radiology placing a special emphasis on angiography. Angiography or arteriography is a medical imaging technique used to visualize the inside, or lumen, of blood vessels and organs of the body, with particular interest in the arteries, veins, and the heart chambers.