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

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.

Dr. Smith graduated from Yale University Medical School of Medicine in 2003. He then completed a neurosurgical residency at Mount Sinai Medical Center Department of Neurosurgery. He rounded out his medical training with an additional orthopedic complex spine fellowship at Beth Israel Medical Center in New York. Today, Dr. Smith performs surgical procedures at several top tier hospitals in the New York and New Jersey area.

Because of his medical background, Dr. Smith has a unique combination of subspecialty training in both orthopedic and neurosurgical spine surgery and treats a wide range of spinal and brain disorders. He also brings to the practice his years of experience in pediatric and adult deformity and scoliosis surgery.


At Brain and Spine Institute of NY and NJ, we understand that being diagnosed with a brain or spinal disorder can be awfully stressful, frightening and burdensome. Our goal, through our caring team, expert diagnosis and treatment is to relive, if not, eliminate that burden.

Hear Neal's Story


The friendly staff at the Brain and Spine Institute of NY and NJ welcomes your call and looks forward to serving you. If you have any questions about our neurosurgical services, please contact us today.

Contact Us

Hospital Affiliations

  • Saint Barnabas Medical Center, Livingston, NJ
  • Jersey City Medical Center, Jersey City, NJ
  • Robert Wood Johnson University Hospital, New Brunswick, NJ
  • Hackensack University Medical Center, Hackensack, NJ
  • Saint Peter’s University Hospital, New Brunswick, NJ
  • Hudson Regional Medical Center, Seacaucus, NJ
  • Mount Sinai West Hospital, New York City
  • Mount Sinai St. Luke’s, New York City
  • Mount Sinai Queens, Astoria, NY
  • Westchester Medical Center, Valhalla, NY
  • NYU Winthrop Hospital, Minneola, NY


Insurance Information

At the Brain and Spine Institute of New York and New Jersey, we accept workers' compensation insurances and motor vehicle insurances. We are out-of-network for commercial insurance and will be glad to verify your out-of-network benefits. If your insurance plan requires you to pay a co-payment, co-insurance, and/or a deductible, we accept cash, checks, Visa, MasterCard, and Discover for your convenience.

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What to Expect After Your Artificial Disc Replacement

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5 Common Signs of Spondylosis
5 Common Signs of Spondylosis

Spondylosis often develops gradually and without notice — like most conditions associated with aging. But once problems arise, this type of spinal degeneration can cause significant discomfort. Here are a few signs of spinal osteoarthritis.

Advantages of Minimally Invasive Brain Surgery
Advantages of Minimally Invasive Brain Surgery

No one wants to hear that they need brain surgery. However, minimally invasive approaches can address a wide range of issues, and they come with several advantages over traditional surgeries. Keep reading to learn more.


Words from our patients

  • Google

    "Dr. Smith took the time out to explain why my father was feeling the way he was. Thank you Dr. Smith."

    Antony R.
  • Google

    "Dr. Smith performed a miraculous surgery for my spinal cord injury. I believe he is the best at what he does."

    Neal R.
  • Google

    "Dr. Arien Smith helped me walk again! His staff follow up was even better! I would highly recommend!"

    Krista K.
  • Google

    "Dr. Smith has excellent bedside manners and follows up promptly, if you need a spine surgery I will highly recommend him."

    Franchesca M.
  • Healthgrades

    "Dr. Smith's honesty and excellent surgery he performed on my spinal cord injury was an excellent experience. Staff are also excellent."

    James M.
  • Healthgrades

    "He is very patient oriented and explained what he was going to do. I am very grateful to him. I would strongly recommend him to everyone. Thank you Dr. Smith."

    Girish V.
  • Vitals

    "Dr. Smith and his staff were very patient with me and answered all my questions. The follow ups are great as well, even with this Covid mess."

    Self-verified patient
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