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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

Staying Active With Sciatica: Finding the Balance Between Movement and Rest

Sciatica, characterized by radiating nerve pain from the lower back down through the leg, can significantly impact daily routines. Effective management involves finding a delicate balance between movement and rest to alleviate symptoms. At Brain & Spine Institute of New York & New Jersey, personalized care and advanced treatment options ensure that patients receive tailored strategies for maintaining an active lifestyle while minimizing discomfort.

July 10, 2026

Brain and Spine Institute of New York and New Jersey

Walking, Bending, Reaching: When Chronic Pain Interrupts Simple Tasks

Chronic pain, particularly low back pain, can transform simple daily activities like walking, bending, or reaching into significant challenges. This persistent discomfort affects millions worldwide and is a leading cause of disability, often stemming from conditions like degenerative disc disease or injuries. Modern medical advancements offer targeted relief through minimally invasive surgeries and innovative therapies, emphasizing early intervention and personalized care to improve quality of life.

July 3, 2026

Brain and Spine Institute of New York and New Jersey

Move Well Today, Move Well Tomorrow: Embracing Lifelong Spine Health

Learn how intentional habits and timely interventions can maintain long-term spine health, reducing chronic pain risks. Explore modern treatments like minimally invasive surgeries and spinal cord stimulation for lasting relief. Discover the importance of everyday practices such as ergonomic workspaces, regular exercise, and proper posture in ensuring a healthy, mobile future.

June 26, 2026

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