Board-Certified Neurosurgeon in West Islip & Smithtown, NY —
Brain Tumors, Spine Surgery & Stereotactic Radiosurgery
Exceptional Brain & Spine Care
We are committed to treating surgical conditions of the brain and spine with state of the art medical expertise, technology, sensitivity and care for the individual and their families.
Brain Conditions
Neurosurgeons treat a number of brain conditions that may require surgical intervention, such as brain tumors, bleeding, hydrocephalus, aneurysms or stroke.
Spine Conditions
While the majority of cases of neck and back pain do not require surgical intervention, a number of patients can benefit from surgical procedures that can alleviate neck, arm, back or leg pain.
Stereotactic Radiosurgery
A minimally invasive technique for delivering high dose radiation in a single or few fractions without delivering significant radiation to healthy normal brain tissue.
We Speak English, Spanish & Greek
We take Insurance
Cutting Edge Surgery
100% Privacy & Comfort
Three Long Island Locations
Latest News from Dr. Missios’ Office
Whether it is our latest blog post, published paper or presentation, here’s where you find it: our Blog.
Time Is Brain: What the First Hours After a Stroke Actually Look Like
By Symeon Missios, MD — Long Island Brain &...
Stereotactic Radiosurgery: The “Surgery” That Doesn’t Cut
By Symeon Missios, MD — Long Island Brain &...
Time Is Brain: What the First Hours After a Stroke Actually Look Like
By Symeon Missios, MD — Long Island Brain & Spine A man in his late sixties is brought into the emergency room by his daughter. She tells the triage nurse she found him slumped at the kitchen table that morning, unable to lift his right arm, his speech slurred...
Stereotactic Radiosurgery: The “Surgery” That Doesn’t Cut
By Symeon Missios, MD — Long Island Brain & Spine A patient sits across from me in my office in West Islip. She has just been told she has a small meningioma near the base of her skull. Her surgeon — that's me — is recommending a treatment called "stereotactic...
Small Brain Tumors, Big Decisions: When Watching Is Wiser Than Treating
By Symeon Missios, MD — Long Island Brain & Spine It almost always starts the same way. A patient comes in for something unrelated — a persistent headache after a car accident, dizziness that wouldn't go away, a minor fall with a confused moment. A CT or MRI is...
The Spine Surgery You Probably Don’t Need: A Neurosurgeon’s Honest Guide on When to Wait
By Symeon Missios, MD — Long Island Brain & Spine Imagine you're sitting in a waiting room, MRI images in hand, trying to process what the doctor just told you. There's a herniated disc at L4-L5. Or stenosis at three levels. Or degeneration that looks, in the...
Our Services
Check Out Our Latest YouTube Video
Our Office Hours
24 hour on call service
Monday
8:30am – 5pm
Tuesday
8:30am – 5pm
Wednesday
8:30am – 5pm
Thursday
8:30am – 5pm
Friday
8:30am – 3:30pm
Sat + Sun
closed