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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.

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

Precision in Motion: The Science Behind Cervical Disc Replacement

Chronic neck pain, often caused by degenerative disc disease, can significantly impact daily life. This informative article explores cervical disc replacement as an innovative solution to alleviate pain while preserving natural motion. Unlike traditional spinal fusion surgeries, this advanced technique replaces damaged discs with artificial ones, offering patients sustained mobility and improved quality of life. Learn how cutting-edge surgical techniques and expert care at the Brain & Spine Institute of New York and New Jersey can transform your journey towards relief.

November 14, 2025

Brain and Spine Institute of New York and New Jersey

Revolutionizing Back Pain Relief: Advanced Treatments That Restore Your Life

Chronic back pain affects millions, limiting mobility and quality of life. This article explores advanced treatments like robotic-assisted neurosurgery and minimally invasive spinal fusion methods that offer faster recovery times and improved outcomes. With a focus on comprehensive care plans, patient education, and expert neurosurgery, the Brain & Spine Institute of New York & New Jersey is transforming spine care.

November 7, 2025

Brain and Spine Institute of New York and New Jersey

How to Handle Traumatic Injuries: Immediate Steps and Long-Term Care

Traumatic injuries demand swift, measured responses that begin at the moment of impact. This guide covers immediate intervention steps like securing the scene and controlling bleeding, as well as long-term care strategies including rehabilitation therapies and advanced surgical techniques to ensure optimal recovery.

October 31, 2025

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