Dr. Mark J. Dannenbaum

Spiros Blackburn, MD, is a board-certified neurosurgeon who specializes in cerebrovascular and skull base surgery. He has special expertise in both endoscopic and endovascular neurosurgery. A summa cum laude graduate of Old Dominion University in Norfolk, Virginia, Dr. Blackburn received his medical degree at The University of Texas Southwestern Medical School in Dallas. After concluding his residency at Washington University in St. Louis, he completed a cerebrovascular fellowship at Emory University in Atlanta and a neuro-endovascular fellowship at Mallinckrodt Institute of Radiology at Washington University. Prior to joining Mischer Neuroscience Institute, he held a faculty appointment as assistant professor of neurosurgery at the University of Florida in Gainesville. The recipient of numerous academic awards, Dr. Blackburn has lectured nationally on the management of cerebral aneurysms, surgical anatomy, arteriovenous malformations and stroke. His research has been published in peer-reviewed journals including PNAS, Neurosurgery, World Neurosurgery, Journal of NeuroInterventional Surgery, British Journal of Neurosurgery, Journal of Neurosurgery, Stroke and Journal of Neuro-Oncology, among others. His clinical research interests include biomarkers for cerebral vasospasm and translational research for patients with subarachnoid hemorrhage, as well as a number of clinical trials for the treatment of brain aneurysms. He treats the following conditions: Cerebral aneurysms and arteriovenous malformations Meningiomas and other tumors involving the skull base Pituitary tumors Moya Moya disease Carotid artery - stenosis and endarterectomy Cavernous malformations He has special expertise in: Endovascular neurosurgery (also called interventional neuroradiology) – coil embolization of aneurysms Endoscopic approaches to pituitary tumors, meningiomas, and other mass lesions. Dr. Blackburn is highly rated in 27 conditions, according to our data. His clinical expertise encompasses Subarachnoid Hemorrhage, Stroke, Apoplexy, Thrombectomy, and Endovascular Embolization. Dr. Blackburn is currently accepting new patients.

Sherise Ferguson is a Neurosurgery provider practicing medicine in Houston, Texas. Dr. Ferguson is highly rated in 18 conditions, according to our data. Her clinical expertise encompasses Metastatic Brain Tumor, Glioblastoma, Astrocytoma, Awake Craniotomy, and Gamma Knife Radiosurgery.

Dr. Viswanathan is fellowship trained in Stereotactic and Functional Neurosurgery, and his clinical practice focuses on deep brain stimulation, trigeminal neuralgia, cancer pain, and chronic pain. Conditions treated include Deep Brain Stimulation for movement disorders, Neurosurgery for pain, and stereotactic surgery. Dr. Viswanathan is highly rated in 12 conditions, according to our data. His clinical expertise encompasses Movement Disorders, Parkinson's Disease, Trigeminal Neuralgia, Cordotomy, and Deep Brain Stimulation. Dr. Viswanathan is currently accepting new patients.