Interventional Pain Medicine & Neurosurgery
Expert Pain Management in Bay Shore
Dr. Symeon Missios is a board-certified neurosurgeon at Long Island Brain & Spine, specializing in personalized treatment plans to address the root cause of chronic pain and help you regain your quality of life.
Academic Excellence & Subspecialty Training
Dr. Missios graduated Magna Cum Laude from Duquesne University and earned his medical degree from Dartmouth Medical School, where he received the prestigious Dean’s Medal Award for the highest academic achievement in his class.
Cleveland Clinic Fellowship
Thomas Jefferson University
His clinical expertise involves advanced intraoperative neuronavigation techniques such as brain mapping and electrocorticography.

Affiliated with
The only Joint Commission Certified Comprehensive Stroke Center on Long Island’s South Shore.
World-Class Pain Medicine Services
Understanding Fibromyalgia
“Fibromyalgia is a puzzle characterized by widespread pain, fatigue, and heightened sensitivity to touch. Our team is adept at solving this puzzle through multifaceted strategies.”
- Multifaceted ApproachCombining medical interventions with lifestyle adjustments and physical therapy.
- Mind-Body ConnectionTechniques like meditation and deep breathing to manage stress-related exacerbations.
Roots of Chronic Pain
Individuals grappling with chronic pain often experience stiffness, aching, and an inability to move joints. We focus on identifying the specific genesis of your discomfort.
- InjuriesSprains, fractures, or infections can induce lasting changes, making the body more susceptible to chronic pain even after recovery.
- Age-RelatedConditions like brittle bones or joint degeneration become prevalent with age, necessitating specialized geriatric pain management.
- Stress-InducedPsychogenic pain linked to low endorphin levels caused by stress, anxiety, or depression requires a mind-body approach.
Pain Management FAQ
As a board-certified neurosurgeon with dual fellowship training from Cleveland Clinic and Thomas Jefferson University, Dr. Missios brings a deep anatomical understanding of the nervous system and spine. This allows him to diagnose and treat complex pain conditions that others might miss.
Not always. We recognize ‘psychogenic’ or stress-induced pain, which can be linked to low levels of endorphins. Our approach integrates physical medicine with emotional support and stress-management techniques.
While many patients are referred by their primary care doctors or neurologists, we also welcome self-referrals and those seeking a second opinion on their current treatment plan.
Key symptoms include persistent stiffness, aching, squeezing, stinging, and an inability to move affected joints. If these symptoms last more than a few weeks or follow an injury, professional evaluation is crucial.
Schedule a Pain Management Consultation on Long Island
If you or a loved one has been told you may need stereotactic radiosurgery, you deserve a clear, unhurried conversation with a board-certified neurosurgeon who will explain every option including whether surgery is truly the right path. Dr. Missios sees patients at three convenient Long Island locations and offers second-opinion consultations.