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Laurence E Mermelstein, MD Bio

Laurence E  Mermelstein, MD Bio

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.

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

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)

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


Spinal Surgery Fellow:
University of California, Davis, California


Orthopedic Surgery Resident
Yale – New Haven Hospital, New Haven CT
General Surgery Resident:
Yale – New Haven Hospital
New Haven Connecticut

Hospital Appointments:

Section Chief of Spinal Surgery
Huntington Hospital, Huntington, NY

Teen Scoliosis Surgery Patient Shares Her Story | Long Island Spine Specialists

Practice Policy Update Regarding COVID-19

Dear Patients:

Our patients, employees and family are our top priority at Long Island Spine Specialists, P.C.

We ask you to not visit any of our locations if you have symptoms such as fever, sneezing, coughing and possible shortness of breath.

Please cancel your appointment and re-schedule once you are feeling better and are no longer suffering with symptoms.

Only non-symptomatic patients will be seen. No exceptions.

Accompanying family members – including children – are asked to remain in the waiting area and will not be allowed to enter the exam rooms.

During this time of high concern regarding the spread of COVID-19 (Coronavirus) we are taking extra precautions to maintain the highest possible standards of safety and cleanliness. Please be advised that we are carefully following recommendations from both the CDC and WHO and are here to help guide you through this time if needed.

Some steps we are taking to keeping safe:

  1. We know how important cleanliness is and always maintain the highest standards of cleanliness. To further offer you peace of mind, we have increased the frequency of the cleaning of our office.
  2. Rest assured that hand washing is strictly followed. Hand sanitizer is available to all staff and patients.
  3. Additionally, if you have recently traveled to a country with high rates of the coronavirus or have been on a cruise, please reschedule your visit for at least 14 days from your return date. We will gladly accommodate your needs to reschedule. At that time, a telehealth interface can be arranged if necessary.

Find up-to-date and accurate information on the Centers for Disease Control and Prevention (CDC) website and feel free to reach out with questions.

- Your team at Long Island Spine Specialists, P.C.

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Thank you very much for contacting Long Island Spine Specialists, P.C.

To best serve your individual needs, please choose from the following options:

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To learn more about Long Island Spine Specialists – and to discover how we can relieve your pain and help you find an improved quality of life – please contact our office today and schedule a consultation.

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