Jason A. Ellis, MD, is a neurosurgeon at Northwell Health’s Lenox Hill Hospital. He treats patients with complex cerebrovascular and skull base conditions. He has expertise in the use of microsurgical, neuroendoscopic, and minimally invasive approaches to the brain and spine. Dr. Ellis treats people with conditions including brain and spinal cord tumors, cerebrovascular malformations, brain aneurysm, carotid stenosis, Moyamoya disease, acoustic neuroma (vestibular schwannoma), meningioma, Chiari malformation, trigeminal neuralgia, hemifacial spasm and stroke.
Dr. Ellis frequently performs intricate microneurosurgical procedures including cerebral bypass surgery to restore blood flow to the brain after stroke; minimally invasive cerebral endoscopy to treat deep-seated brain lesions; and non-invasive gamma knife radiosurgery. Dr. Ellis has developed special microsurgical techniques using exoscopes to perform complex brain surgery.
Dr. Ellis earned his undergraduate and graduate degrees at Harvard University then a got a medical degree from Columbia University. He completed neurosurgery residency at the Neurological Institute of New York/Columbia University Medical Center and a cerebrovascular neurosurgery fellowship at Emory University Hospital.
At Lenox Hill, Dr. Ellis works with a multidisciplinary group of specialists including neurologists, neuro anesthesiologists, pathologists, oncologists, interventional neuroradiologists, head and neck surgeons, radiation oncologists, and neurocritical care providers.
Dr. Ellis is an associate professor of neurosurgery at the Donald and Barbara Zucker School of Medicine at Hofstra/Northwell and co-director of the cerebrovascular surgery fellowship at Lenox Hill. He is also the principal investigator of several clinical trials that seek to improve the surgical care of patients with tumors and vascular conditions of the nervous system.