Walnut Creek Radiology Center Location/Address 2401 Shadelands Dr.Walnut Creek, CA 94598Ph: (925) 979-3400 Hours X-ray / Ultrasound:Monday - Friday, 8am - 4:30pm MRI:Monday- Friday, 8am - 7pm Services MRI Ultrasound X-ray 2401 Shadelands Dr., Walnut Creek, CA 94598 Directions Walnut Creek Radiology Center provides services for X-ray, Ultrasound, and MRI.