Dr. Shaheen Umar

Samantha Lancaster is a Neuroradiologist in Lynnwood, Washington. Dr. Lancaster is rated as a Distinguished provider by MediFind in the treatment of Subarachnoid Hemorrhage. Her top areas of expertise are Stroke, Subarachnoid Hemorrhage, Cerebral Arteriovenous Malformation, and Aseptic and Alopecic Nodules of Scalp (AANS).

Roger Liu is a Neuroradiologist in Tacoma, Washington. Dr. Liu is rated as an Advanced provider by MediFind in the treatment of Subarachnoid Hemorrhage. His top areas of expertise are Stroke, CAPOS Syndrome, Subarachnoid Hemorrhage, and Gallbladder Disease.

Dr. McDougall became certified as a neurosurgeon in 1993. He has focused his entire career on the treatment of stroke and cerebrovascular disease, and he was one of the first neurosurgeons in the country to receive fellowship training in endovascular techniques. Once Guglielmi detachable coils received FDA approval in 1995, he was the first neurosurgeon in North America to treat a patient with an intracranial aneurysm using this device. Since that time, he has been extensively involved in research to improve endovascular techniques including being the principal investigator on large, randomized, international studies. He is a past president of the Society of NeuroInterventional Surgeons, has published over two hundred papers in peer reviewed journals and been an invited lecturer on every continent except Antarctica. Dr. Mcdougall is rated as a Distinguished provider by MediFind in the treatment of Subarachnoid Hemorrhage. His top areas of expertise are Brain Aneurysm, Arteriovenous Malformation, Pica, Extracranial-Intracranial Bypass Surgery, and Stent Placement.