Conveniently located at Huron Street and Croke Drive. Monday – Thursday 7am – 5:30pm American Vein & Vascular Institute 9461 Huron Street, Suite 110 Thornton, CO 80260 Phone: 720.446.5000 Fax: 877.227.8170 After Hours 888.730.VEIN (8346) Schedule Your Appointment Have we cared for you? Please leave us a review. It’s the greatest compliment we could receive. Get Directions to this location.