Dr. Joshua B. Bederson

Dr. Albert Telfeian is a board-certified neurosurgeon and a pioneer in endoscopic spine surgery. He is the most published surgeon in the Western hemisphere in the field of endoscopic spine surgery and internationally recognized for performing the world’s first awake endoscopic spine tumor surgery.Dr. Telfeian is responsible for countless advances in the field of minimally invasive spine surgery.Dr. Telfeian received his undergraduate degree from Columbia University and his M.D. and Ph.D. Degrees from the Warren Alpert School of Medicine at Brown University. He completed his neurosurgery training at the Hospital of the University of Pennsylvania and his spine fellowship in Switzerland at the Centre Hospitalier Universitaire de Vaudois. Dr. Telfeian was an Assistant Professor at the Hospital of the University of Pennsylvania and a Full Professor, Vice Chairman and Director of Minimally Invasive Spine Surgery at Brown University prior to founding the Endoscopic Spine Institute of New York. Dr. Telfeian currently serves on the clinical faculty in the Neurosurgery Department at Columbia Presbyterian.Dr. Telfeian is best known for his groundbreaking work in awake endoscopic surgery and for expanding access to ultra-minimally invasive procedures globally.Clinical ExpertiseBoard-certified neurosurgeon with expertise in both pediatric and adult spine surgery.Performs awake endoscopic lumbar procedures, a field he helped pioneer globally.Special clinical focus on lumbar forami. Dr. Telfeian is rated as a Distinguished provider by MediFind in Endoscopy. His top areas of expertise are Herniated Disk, Spondylolisthesis, Foot Drop, Laminectomy, and Endoscopy.

Christopher Kellner is a Neurosurgery specialist and a Neuroradiologist in New York, New York. Dr. Kellner is rated as an Elite provider by MediFind in Endoscopy. His top areas of expertise are Stroke, Subarachnoid Hemorrhage, Subdural Hematoma, Thrombectomy, and Gastrostomy.

Raj Shrivastava is a Neurosurgery provider in New York, New York. Dr. Shrivastava is rated as an Elite provider by MediFind in Endoscopy. His top areas of expertise are Meningioma, Pituitary Tumor, Hypothalamic Tumor, Endoscopic Transnasal Transsphenoidal Surgery, and Tissue Biopsy.