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Your Partner in Relieving Pain and Restoring Quality of Life

Welcome to Brain and Spine Institute of New York and New Jersey

At Brain and Spine Institute of New York and New Jersey, we provide compassionate, comprehensive care for spinal and brain disorders. Led by Arien Smith, MD, FACS—a fellowship-trained, board-certified neurosurgeon—our practice takes a multidisciplinary approach to diagnosis and treatment. Dr. Smith’s unique training in both orthopedic and neurosurgical spine surgery allows him to treat everything from degenerative disc disease to traumatic spine injuries in both adults and children. Our mission is to relieve pain, restore function, and help you get back to the life you love.

We work with a wide network of referring providers and partner with other specialists to deliver the best possible outcomes. Using advanced minimally invasive technology, Dr. Smith performs procedures designed for faster recovery and less discomfort. We also offer need-for-treatment exams, worker’s compensation evaluations, and Motor Vehicle/PIP assessments, making it easier for patients to receive the care and documentation they need.

Based in East Brunswick, NJ, with satellite offices in Midtown Manhattan, the Bronx, and Queens, we make expert care accessible across the region. Dr. Smith performs surgery at several top-tier hospitals, ensuring every patient benefits from state-of-the-art treatment in a trusted setting. Whether you’re dealing with chronic pain or recovering from an injury, we’re here to guide you every step of the way toward better health.

Get to know our Doctor

Arien J. Smith, MD, FACS

Arien Smith, MD, FACS, is a fellowship-trained and board-certified neurosurgeon at the Brain and Spine Institute of New York and New Jersey, located in East Brunswick, New Jersey. His practice includes treating both adult and pediatric spinal and brain disorders.

Learn More
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Get in Touch With Our Team

The caring team at the Brain and Spine Institute of NY and NJ is here to answer your questions and provide the support you need. Reach out to us today to learn more about our neurosurgical services.

Hear Neal’s Story

Hospital Affiliations

  • Hackensack University Medical Center (Hackensack, NJ)
  • Saint Peter’s University Hospital (New Brunswick, NJ)
  • Kings County Hospital Center (Brooklyn, NY)
  • Mount Sinai Health System (New York, NY)
  • Hudson Regional Hospital (Secaucus, NJ)
  • RWJ–Barnabas Health System (New Brunswick, Livingston, Jersey City)

Recent Articles

Brain and Spine Institute of New York and New Jersey

Healing in Motion: How Modern Spine Treatments Help You Move Again

Imagine waking up every morning with a stiff back that makes even the simplest tasks feel like monumental challenges. Modern advancements in spine treatments, such as spinal cord stimulation, minimally invasive surgery, robotic-assisted techniques, and revision back surgeries, are transforming lives by targeting root causes of spinal conditions with precision and minimizing recovery times. The Brain & Spine Institute of New York & New Jersey specializes in these cutting-edge procedures, offering personalized treatment plans that help patients regain mobility and independence.

May 8, 2026

Brain and Spine Institute of New York and New Jersey

Feeling Fine Isn’t Always Fine: The Hidden Timeline of Spine Injuries

The spine is an intricate structure that can be susceptible to gradual or delayed injuries. This article explores the hidden timeline of spinal issues, from initial minor incidents to chronic pain. It covers key aspects such as delayed onset symptoms, the role of inflammation in tissue damage, and preventive measures for maintaining spinal health through ergonomics, exercise, and nutrition.

May 1, 2026

Brain and Spine Institute of New York and New Jersey

Walking Shouldn’t Hurt: What Low Back Pain Is Trying to Tell You

Low back pain during walking can reveal underlying spinal issues, from muscle strains to serious conditions like spinal stenosis. Understanding the mechanics of walking and recognizing early warning signs is crucial for maintaining spinal health. Learn about innovative treatments and when to consult a neurosurgeon for effective management.

April 24, 2026

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