Sameer A. Ansari, MD, PhD is an interventional neuroradiologist at Northwestern Memorial Hospital, Assistant Professor in the Departments of Radiology, Neurology and Neurosurgery, Northwestern University Feinberg School of Medicine and is affiliated with the Northwestern Brain Tumor Institute.
Dr. Ansari specializes in minimally invasive percutaneous and endovascular procedures of the brain, head/neck and spine. His clinical research integrates high resolution and functional MR imaging techniques to evaluate neurovascular diseases and optimize patient selection for intervention, specifically in acute ischemic stroke, intracranial atherosclerotic disease, and arteriovenous malformations. His prior work has studied the safety and efficacy of coated coils in the embolization of intracranial aneurysms, as well as the role of intracranial stents in the treatment of distal cervical and intracranial dissections.
Dr. Ansari has published numerous peer reviewed scientific papers and actively participates in the peer review process of several neurointerventional and neurosurgery journals. He is an active member of the Society of Neurointerventional Surgery (SNIS), the American Society of Neuroradiology (ASNR), American University Radiologists (AUR), the American Roentgen Ray Society (ARRS), the Radiological Society of North America (RSNA) and the American College of Radiology (ACR).