Neurosurgery Doctors
Pain Management Doctors
1(888) 737-5427

Symeon Missios, MD, FAANS

Dr. Symeon Missios, FAANS, is a fellowship-trained, board-certified neurosurgeon, specializing in cranial and spinal procedures, as well as endovascular neurosurgery. His clinical expertise involves stereotactic radiosurgery, spine surgery for degenerative, traumatic, or tumor pathologies; nerve disorders; brain and spine trauma; neuromodulation (for intractable back and leg pain); treating benign and malignant tumors; and the surgical and minimally-invasive endovascular treatment of stroke, brain aneurysms and other vascular, and neurosurgical pathologies.


Dr. Missios graduated from Dartmouth medical school with honors and was the recipient of the prestigious Dean’s Medal Award for his class’s highest academic achievement. Dr. Missios completed his internship and residency in neurological surgery at Dartmouth-Hitchcock University Hospital in NH. He received his subspecialty training in the field of brain tumors at Cleveland Clinic in Ohio, where he completed a fellowship in Neurosurgical Oncology and Stereotactic Radiosurgery. Following this, he continued his subspecialty training by completing a second fellowship in the field of Endovascular Neurosurgery and Neurovascular Critical Care at Thomas Jefferson University in Philadelphia

  • Part of the Stroke and Brain Aneurysm Center of Excellence at Good Samaritan Hospital Medical Center.
  • Co-authored more than eighty peer-reviewed publications.
  • Member of the Population Health Research Institute of New York at CHS.
  • Recipient of the Kenneth Shulman Award and the First Place Award in the Socioeconomic Category at the 83rd annual meeting of the American Association of Neurological Surgeons.

Areas of Specialty

Cranial and Spinal Surgery
Stereotactic Radiosurgery
Minimally Invasive Surgery
Endovascular Neurosurgery
Management of Benign and Malignant Tumors
Complex Brain Surgery


Publications & Presentations

Ischemic Stroke Occurs Less Frequently in Patients With COVID-19: A Multicenter Cross-Sectional Study.

Missios, S., Ahmad, J., Labropoulos, N., Schirmer, CM, Calnan, DR, Skinner, J., MacKenzie, TA.
Stroke. 2020 Dec;51(12):3570-3576
Cerebral ischemic and hemorrhagic complications of coronavirus disease 2019.

Sweid A, Hammoud B, Bekelis K, Missios S, Tjoumakaris S, Gooch MR, Herial NA, Zarzour H, Romo V, DePrince M, Rosenwasser RH, Jabbour, P.
Int J Stroke. 2020, Oct; 15(7):733-742.
Predictors of ventriculostomy infection in a large single-center cohort.

Sweid A, Weinberg JH, Abbas R, Naamani K, Tjoumakaris S, Wamsley C, Mann EJ, Neely C, Head J, Nauheim D, Hauge J, Gooch MR, Herial N, Zarzour H, Alexander TD, Missios S, Hasan D, Chalouhi N, Harrop J, Rosenwasser RH, Jabbour P.
Journal of Neurosurgery. 202
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Neurosurgery Doctors
Pain Management Doctors
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Neurosurgery Doctors
Pain Management Doctors
Neurosurgery Doctors
Pain Management Doctors
West Islip Office
380 Montauk Highway,
West Islip, NY 11795
Smithtown Office
St. Catherine of Siena Medical Office Building,
Suite 302 48 Route 25A Smithtown, NY 11787
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Thank you for choosing Long Island Brain & Spine for your healthcare needs. We appreciate your trust in our multidisciplinary team of board-certified neurosurgeons and interventional pain management physicians.

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