Dr. Symeon Missios, MD, FAANS

Dr. Symeon Missios, MD, FAANS Dr. Symeon Missios, MD, FAANS - Board Certified Neurosurgeon located on Long Island, New York

08/10/2026

What inspired Dr. Symeon Missios to pursue neurosurgery? The opportunity to solve complex challenges, continue learning every day, and make a meaningful difference in patients' lives. With no two cases ever being the same, the constant pursuit of knowledge and innovation is what drives his commitment to providing exceptional, personalized care for every patient.

https://symeonmissiosmd.com/about/

Time is Brain. Every Minute Matters.A stroke is a medical emergency, and the first few hours are critical. During an isc...
08/06/2026

Time is Brain. Every Minute Matters.

A stroke is a medical emergency, and the first few hours are critical. During an ischemic stroke—the most common type—blood flow to part of the brain is blocked, depriving brain cells of oxygen. Without prompt treatment, brain tissue can become permanently damaged, affecting movement, speech, memory, and other essential functions.

The good news is that rapid diagnosis and treatment can significantly improve outcomes. Acting quickly may help restore blood flow, reduce brain damage, and increase the likelihood of a stronger recovery. That's why recognizing the warning signs and calling 911 immediately is so important.

Know the warning signs with BE FAST:

• Balance – Sudden loss of balance or coordination
• Eyes – Sudden blurred vision or vision loss
• Face – One side of the face droops
• Arm – Weakness or numbness in one arm
• Speech – Slurred or difficulty speaking
• Time – Call 911 immediately

Even if symptoms seem to improve or disappear, don't ignore them. Seeking emergency care right away can make all the difference in protecting brain function and improving long-term recovery.

Learn what happens during the critical first hours after a stroke and why acting fast can save brain function—and lives.

https://symeonmissiosmd.com/time-is-brain-what-the-first-hours-after-a-stroke-actually-look-like/

Spondylolisthesis occurs when one vertebra slips forward over the one below it, which can lead to back pain, stiffness, ...
08/04/2026

Spondylolisthesis occurs when one vertebra slips forward over the one below it, which can lead to back pain, stiffness, and nerve-related symptoms if left untreated. It may develop due to age-related degeneration, stress fractures, congenital conditions, or injury.

Common symptoms include:
• Lower back pain that worsens with activity
• Muscle tightness or stiffness
• Pain that radiates into the legs
• Numbness or tingling in the lower extremities

Treatment options may include:
• Physical therapy and strengthening exercises
• Anti-inflammatory medications
• Activity modification
• In more severe cases, surgical intervention

Early diagnosis is key to preventing progression and improving quality of life. Contact Dr. Missios today!

https://symeonmissiosmd.com/project/spondylolisthesis/

07/31/2026

Dr. Missios treats problems inside the blood vessels of the brain from within the blood vessels themselves. Through a tiny puncture in the wrist or groin, he threads a small catheter through the vascular system all the way to the affected vessel, allowing him to treat the issue directly at its source. This minimally invasive approach means less disruption to the body, faster recovery, and the precision you'd expect from a world-class neurosurgeon.

https://symeonmissiosmd.com/

07/29/2026

🧠 What does a neurosurgeon do before a long, complex surgery? Dr. Missios walks us through his preparation process because what happens before he even enters the OR is just as important as what happens inside it. Staying rested, focused, and at his sharpest ensures he's ready when his patients need him most. ⏱️ Hours in the operating room demand more than just skill—they require endurance, discipline, and unwavering attention to detail from start to finish.

https://symeonmissiosmd.com/about/

Stereotactic Radiosurgery (SRS) is a highly precise, non-invasive treatment that delivers focused radiation to targeted ...
07/07/2026

Stereotactic Radiosurgery (SRS) is a highly precise, non-invasive treatment that delivers focused radiation to targeted areas while sparing surrounding healthy tissue. It is most effective for carefully selected patients based on diagnosis, tumor size, location, and overall health.

Ideal candidates for SRS may include patients with:
• Small to medium brain tumors that are difficult to treat with traditional surgery
• Metastatic brain lesions (cancer that has spread to the brain)
• Benign tumors such as meningiomas or acoustic neuromas
• Certain vascular conditions like arteriovenous malformations (AVMs)
• Neurological conditions such as trigeminal neuralgia

Because every case is unique, a detailed evaluation is essential to determine if SRS is the right option. Dr. Symeon Missios carefully assesses each patient to create a personalized treatment plan designed for the best possible outcome.

https://symeonmissiosmd.com/project/stereotactic-radiosurgery-srs/

06/26/2026

Neurosurgery is never a one-person job. Behind every procedure is a dedicated team working together with precision, trust, and communication. From anesthesiologists and nurses to neurophysiologists and surgical assistants, every role is essential in delivering the highest level of patient care.

Dr. Missios knows that a strong team can make all the difference—and that trust, collaboration, and experience are critical inside the operating room.

https://symeonmissiosmd.com/

06/16/2026

Behind every long day and every patient interaction, Dr. Missios is driven by the people who matter most. His patients remind him why the work he does is so important each and every day, while his family reminds him of the importance of balance and life beyond medicine—together, they continue to inspire, motivate, and ground him in both purpose and perspective.

https://symeonmissiosmd.com/about/

Meningiomas are the most common brain tumors that most people have never heard of. These tumors arise from the coverings...
06/10/2026

Meningiomas are the most common brain tumors that most people have never heard of. These tumors arise from the coverings of the brain and are often slow-growing and benign, but they can still cause significant symptoms depending on their size and location.

Because they may develop gradually, symptoms can be subtle—such as headaches, vision changes, or neurological deficits—making awareness and early evaluation important. Treatment options vary and may include observation, surgery, or radiation, depending on each individual case.

https://symeonmissiosmd.com/project/stereotactic-radiosurgery-srs/

Address

380 Montauk Highway
West Islip, NY
11795

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Friday 9am - 3:30pm

Telephone

+16314225371

Website

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