Robert Tyrrell MD is a board certified Interventional Radiologist and has been in practice as the head of interventional hospital services for 23 years. He has performed thousands of endovascular procedures. He is an expert in ultrasound which is critical to accurately diagnosing and treating vein disorders. He is experienced in the entire spectrum of vein disease ranging from venous insufficiency causing varicose and spider veins to blocked veins causing leg swelling and pain.