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.

Understanding Hydrocephalus and Shunt Treatment

Hydrocephalus, commonly known as "water on the brain," is a condition that affects individuals across various age groups. This guide aims to demystify hydrocephalus, providing detailed insights into its causes, symptoms, diagnostic procedures, and the critical role of...

Everything You Need to Know About Meningiomas

Table of Contents: Introduction What are Meningiomas? 2.1 Types of Meningiomas 2.2 Risk factors and Causes Presenting Symptoms Diagnosis  4.1. CT Scan  4.2. MRI Treatment Options                5.1. Observation and Serial Imaging               5.2. Stereotactic...

Everything You Need to Know About Stereotactic Radiosurgery

 Table of ContentsIntroductionWhat is Stereotactic Radiosurgery?Types of Stereotactic RadiosurgeryHow Does Stereotactic Radiosurgery Work?Indications for Stereotactic RadiosurgeryAdvantages of Stereotactic RadiosurgeryLimitations and Potential ComplicationsFuture...

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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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Dr. Symeon Missios, MD