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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

Transforming Traumatic Injuries into Recovery: A Comprehensive Guide

Traumatic injuries from work or auto accidents can have lasting effects on spine health, often leading to inflammation, nerve damage, or herniated discs. Early detection of symptoms like persistent back pain and numbness is crucial for timely intervention and effective recovery. The Brain & Spine Institute of New York & New Jersey offers advanced treatment options, including minimally invasive procedures and spinal cord stimulation, to help patients navigate their recovery journey successfully.

January 9, 2026

Brain and Spine Institute of New York and New Jersey

Spinal Cord Stimulation: Revolutionizing Pain Relief in Modern Medicine

Chronic pain affects millions worldwide, making daily tasks challenging. Spinal cord stimulation (SCS) offers a revolutionary alternative by delivering low-voltage electrical impulses to the spinal cord, disrupting pain signals before they reach the brain. This advanced technique provides unique relief for those suffering from persistent back discomfort or neuropathic pain, surpassing traditional approaches like medication or surgery.

January 2, 2026

Brain and Spine Institute of New York and New Jersey

From Stiffness to Stability: Managing Neck Pain at Every Stage

Neck pain affects millions worldwide, impacting daily activities from simple tasks like turning one's head to more complex movements involving lifting or reaching. This article explores the causes and symptoms of neck pain, the evolution of treatment methods, and the benefits of minimally invasive surgery (MIS) for managing chronic discomfort and mobility issues. Learn about our multidisciplinary approach to neck pain relief, including surgical interventions and non-surgical therapies tailored to individual needs.

December 26, 2025

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