West Islip, NY

Long Island Brain & Spine

Smithtown, NY

St. Catherine of Siena Medical Building

West Islip, NY

The Cancer Institute at Good Samaritan

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Symeon Missios, MD, FAANS - Neurosurgery

Exceptional Brain and Spine Care

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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 Trauma

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.

Spine Trauma

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.

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We Speak English, Spanish & Greek

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We take Insurance

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Cutting Edge Surgery

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100% Privacy & Comfort

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Three Long Island Locations

Symeon Missios MD

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.

Tractography in Neurosurgery: Precision Mapping for Brain Tumor Surgery

Navigating the Brain with Precision Consider the challenge of traversing an unfamiliar city without a map—relying solely on intuition to avoid dead ends and critical intersections. Now envision that city as the human brain, where I, as a neurosurgeon, must navigate...

Brain-Computer Interfaces: The Future Is Thinking Out Loud!

Welcome to the Brain Revolution! Picture this: you’re sitting at your desk, sipping coffee, and instead of typing an email, you just think it—bam, it’s done. Or maybe you’re a gamer, moving your character through a dragon-infested dungeon with nothing but a mental...

Understanding Brain Metastases: Neurosurgical Management and Recovery

Brain metastases, also known as secondary brain tumors, occur when cancer cells spread to the brain from primary tumors located elsewhere in the body. This serious condition affects thousands of people annually and poses unique challenges in diagnosis and treatment....

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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

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Testimonials

Dr. Symeon Missios, MD