Spider veins are tiny damaged veins that are visible on the surface of the skin of the legs or face. Usually, they don’t cause any medical complications. But most people want to relieve them for cosmetic purposes. Therefore, visit a vein doctor to determine the best possible treatment. Some people are not aware of what is a Vein Doctor Called? A vein doctor is a vascular physician who diagnoses vein problems and offers an actionable treatment plan for improving poor circulation.