Providers

Robert B. Patterson, MD, FACS Dr. Patterson is a vascular surgeon with nearly 20 years of experience in the surgical and endovascular treatment of vascular disease. He is an Associate Professor of Surgery at Brown University School of Medicine and is board certified by the American Board of Surgery in Vascular Surgery and The American Registry of Diagnostic Medical Sonography (ARDMS) as a Registered Vascular Technologist. In addition, he is the director of the Vascular Diagnostic Laboratory at Providence Surgical Care Group.

Siamak Barkhordarian, MD, FACS Dr. Barkhordarian is a vascular surgeon who joined Providence Surgical Care Group in 2003. He is a Clinical Assistant Professor of Surgery at Brown University School of Medicine, Board certified by the American Board of Surgery and Vascular Surgery. He completed his surgical training at Johns Hopkins and Temple university and finished his comprehensive vascular fellowship at Yale university. Dr. Barkhordarian's research interests include endovascular treatment of vascular disease, aortic surgery, renovascular revascularization, carotid endarterectomy, carotid stenting, and limb salvage procedures.

Evelyn T. Asante, R.N.P Evelyn is a registered nurse practitioner who joined Providence Surgical Care Group in 2005. Before earning her masters degree in 2004 from The University of Rhode Island, she specialized in vascular nursing at The Miriam Hospital.