4320 Seminary Road Alexandria, VA. 22304. Services Offered: Bone Density, Breast MRI, Cat Scan, MRI, Nuclear Medicine, Ultrasound, Vascular Ultrasound, X-Ray and Vascular Services . To schedule an appt for imaging studies, please call (571) 423-5400 To schedule an appt for interventional radiology, vascular studies and vascular ultrasound, please call (703) 504-7950.