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Dr. Laurence Mermelstein

Dr. Mermelstein is a Board Certified Orthopaedic Surgeon with additional Fellowship training and extensive experience in pediatric and adult spinal deformities, sports-related spinal injuries, and degenerative and traumatic conditions of the neck and back. He is recognized as one of the leading experts in managing the care and treatment of pediatric scoliosis patients and is an active member of the premier Scoliosis Research Society.

As the first surgeon on Long Island to perform the Posterolateral Endoscopic Discectomy procedure, he continues to lead the field in laser surgery and minimally-invasive techniques, which reduce pain and the risk of infection while also making recovery quicker. He has pioneered new intra-operative neurophysiological monitoring procedures to improve surgical safety. His expertise includes complex reconstructive spine surgery, disc arthroplasty (disc replacement), pediatric scoliosis, and laser surgery.

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Highly respected in the field of spine, he has lectured extensively at national and international meetings regarding spinal biomechanics and instrumentation.

Dr. Mermelstein’s passion for spine care is reflected in his willingness to share his knowledge and expertise by providing professional seminars and community lectures on spine health.

Dr. Mermelstein’s commitment to give “Back” is evident by his partnering with charitable organizations dedicated to improving the lives of children around the world, donating his time and skills to provide life-altering surgery to improve the quality of their lives.

In 2020, Dr. Mermelstein was appointed as Clinical Assistant Professor in the Department of Science Education at the School of Medicine of HOFSTRA University.

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Medical Degree:
  • University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania
Hospital Affiliations:
  • St. Catherine of Siena Medical Center, Smithtown, New York
  • Huntington Hospital, Huntington, New York
  • Good Samaritan Hospital Medical Center, West Islip, New York
  • St. Francis Hospital, Roslyn, New York
  • North Shore University Hospital, Manhasset, New York
  • Long Island Jewish Medical Center, New Hyde Park, New York
  • Peconic Bay Medical Center, Riverhead, New York
Fellowships
Spinal Surgery Fellow:
  • University of California, Davis, California
Hospital Appointments:
  • Section Chief of Spinal Surgery
    Huntington Hospital, Huntington, NY
Professional Affiliations:
  • Medical Society of the State of New York
  • American Academy of Orthopaedic Surgeons
  • North American Spine Society
  • Suffolk County Medical Society
  • Scoliosis Research Society
  • Society of Lateral Access Surgeons (SOLAS)
  • Clinical Assistant Professor, Department of Science Education at the School of Medicine of HOFSTRA University (2020 – 2023)
Internship/Residency:
Orthopedic Surgery Resident:
  • Yale – New Haven Hospital, New Haven CT
General Surgery Resident:
  • Yale – New Haven Hospital
    New Haven Connecticut

Long Island's Choice for Spine Health

Commack

763 Larkfield Rd, Second
Floor Commack, NY 11725

Phone:(631) 837-2359

Fax:(631) 462-2240

West Islip

400 Montauk Highway, Suite
102 West Islip, NY 11795

Phone:(631) 837-2359

Fax:(631) 462-2240

West Hempstead

565 Hempstead Turnpike
West Hempstead, NY 11552

Phone:(631) 837-2359

Fax:(631) 462-2240

Riverhead

887 Old Country Road, Suite
D Riverhead, NY 11901

Phone:(631) 837-2359

Fax:(631) 462-2240

A Path to Pain-Free Living Starts Here

Your Journey to Relief: Step by Step

At Long Island Spine Specialists, we understand that every spine condition is unique. Our team of experts, including nationally recognized surgeons, are dedicated to providing personalized care using the latest non-invasive and minimally invasive treatments for neck and back pain on Long Island, NY.
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Comprehensive examination

During your visit, our diagnostic process begins with a thorough examination. We'll review your medical history, assess your range of motion, and evaluate any areas of pain or discomfort. If necessary, we may recommend imaging tests such as X-rays or MRIs to get a clearer picture of your condition.

Personalized treatment plan

Based on our comprehensive evaluation, we'll develop a tailored treatment plan designed to address your specific needs. This may include non-invasive therapies, minimally invasive procedures, or advanced surgical options when necessary. Our goal is to create a path to relief that works best for you.

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