820 2nd Avenue Suite 7A 
New York, NY 10017

410 Lakeville Road,
Suite 303 Lake Success,
NY 11042


“Looking back on my surgery, I’m so happy I did it because now I can do everything I wanted to do. I don’t have to worry about the way I look or the way I feel or any pain. I wouldn’t have it any other way.”

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Patient, Scoliosis Spine Associates

When Dr. Lonner originally showed me the Xrays of my back, it was a disaster. I even cried when I saw it…. Dr. Lonner not only treated me but also he gave me another life. He’s not only a doctor, he’s something more than a doctor…

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Bekhruz Bazarov

Patient, Scoliosis Spine Associates

“The first thing that struck me about Dr. Lonner was that he looked at my Xrays and didn’t say, “I never thought I’d see anything like this,” which I’ve had several surgeons say. He looked at everything and said, “I’ve got a plan.” From 1-10, prior to surgery, I was at a 9 in pain. Now I’m at a 1.”

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Patient, Scoliosis Spine Associates

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Scoliosis and Spine Associates provides you with the highest level of spine care. We present our patients with options and alternative
approaches based on the highest level of medical evidence available and treat them as we would our own family.

See Bio & Practice

Welcome to Scoliosis Spine Associates

Dr. Lonner is an internationally recognized leader in scoliosis and spinal deformity care who has won numerous awards recognizing his research and contributions to the field. He is a Board-member of the Scoliosis Research Society, a prestigious international society that fosters the optimal treatment of spinal deformities. His approach to patients and their families is a holistic one in which the patient’s quality of life is at the forefront of decision-making.
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Dr. Lonner is an internationally recognized leader in scoliosis and spinal deformity care who has won numerous awards recognizing his research and contributions to the field. He is a Board-member of the Scoliosis Research Society, a prestigious international society that fosters the optimal treatment of spinal deformities. His approach to patients and their families is a holistic one in which the patient’s quality of life is at the forefront of decision-making. His focus is on the needs of the individual patient, believing in patient empowerment and informed decision-making. One approach does not suit all patients. Dr. Lonner and his team provide the most up-to-date treatment alternatives including less invasive techniques that he has helped to pioneer, with the guiding principle of achieving the best outcomes for the patient with an emphasis on safety.
The physicians and caregivers at Scoliosis and Spine Associates, directed by Dr. Lonner, have a 50-year history in the treatment of spinal deformities. Patients ranging from newborns to middle age and older are treated and their specific needs and goals taken into account within the framework of their condition. Non-operative management is offered including observation of scoliosis, bracing, scoliosis specific exercise therapy, and newer promising alternatives. Patients are offered the option of being followed over time with a zero-radiation alternative to x-ray, The Scoliscan (Diers Formetrics).
Surgical treatment is tailored to the specific needs of the patient based on his or her condition, age, activity level, co-existing medical conditions, and remaining growth. Dr. Lonner treats diverse conditions such as idiopathic scoliosis, congenital scoliosis, kyphosis, flatback, and spondylolisthesis. He has 20-years of operative experience, and has done thousands of operations in the care of spinal deformity patients both in New York City as well as in other countries where he does mission work and training of surgeons in places such as Ghana, Dominican Republic, Barbados, China, Egypt, and Thailand. Dr. Lonner has done research showing that a surgeon who has a larger practice experience in the area of scoliosis has fewer complications than one who does less volume. Dr. Lonner’s emphasis and driving principles include improving outcomes which entails maximizing correction of deformity, maximizing growth in the child, minimizing complications, maintaining spinal motion and back health, and decreasing the long-term problems of untreated spinal deformity such as back pain, breathing difficulties (pulmonary disease), and disability. He has been a leader in the study of outcomes in scoliosis, understanding how to minimize complications, and how to address patient concerns about their condition. His research has focused on answering clinical questions that will help solve problems that the patient experiences and has over 100 publications on spinal deformity conditions in prestigious medical journals and has done 100’s of presentations around the world, contributing to the care of patients world-wide. Come in for a consult or a second opinion and Dr. Lonner will spend time with you or your family member to discuss treatment options.

  • Professor of Orthopaedic Surgery Mount Sinai School of Medicine
  • Director of Scoliosis and Spine Associates
  • Attending Surgeon Mount Sinai Medical Center

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Watch Introduction Video


Scoliosis Assessment Tool

Tell us more about your pain so we can help you get the proper treatment.Try Our Scoliosis Assessment Tool


What is Adolescent Idiopathic Scoliosis?

Adolescent Idiopathic Scoliosis (AIS) is a lateral (side) curvature of the spine that can occur in children aged 10 to maturity. The spine may curve to the left or right. Sometimes AIS may start at puberty or during an adolescent growth spurt.

Idiopathic means the abnormal curve develops for unknown reasons. There is undoubtedly a genetic pre-disposition for some adolescents to develop

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Dr. Lonner is actively involved with research that offers hope for an earlier… diagnosis and

The Surgical Program at Scoliosis & Spine Associates

Dr. Lonner has been a leader in the treatment of pediatric and adult scoliosis and other spinal conditions for over twenty years. He has pioneered anterior scoliosis correction techniques for two decades and is among only a handful of surgeons throughout the world who can perform these less invasive procedures that preserve patient function while correcting severe spinal curvatures. He has been an innovator in newer techniques in which flexibility and growth are preserved.
Dr. Lonner has operated on several thousand patients from all over the world providing the highest level of compassionate care. All operations are performed with two experienced spine surgeons with Dr. Lonner at the lead and performing all critical parts of the operation himself as he understands that his patients and their families have come to him for his expertise and experience. Dr. Lonner and his team strives to have the best possible result for every patient with the highest level of safety.

Learn more about

Fusionless Surgery VAT’s Surgery Surgical Safety


Testimonial from a member of Rockland Youth Dance Ensemble at the University…
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“It is hard to express in a few sentences how this surgery has changed my life. It has given me the ability to participate with family and friends with greater self esteem and stamina. I can walk without pain and shop until my daughters drop. I can wear clothes that accent waistline rather than clothes that hid a deformity. I no longer worry that my curvature is progressing. I feel like a new and energized woman. Is is not easy task chossing to have an nine hour surgery,but I encourage you to trust Dr. Lonner’s expertise. You will find and look so much better. Thank you Dr. Lonner for giving me new life!”.

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  • Scoliosis awareness logo

    June Is Scoliosis Awareness Month

    As a member of the Scoliosis Research Society, Dr. Baron Lonner is happy to announce that June is Scoliosis Awareness Month.  All over the United States of America, the Society will be raising awareness about scoliosis and its treatment. Origins…. Read more →

  • a smiling young boy from the front and from behind

    How to Tell If Your Child Has a Curved Spine

    Scoliosis is a serious condition, predominantly affecting children between ages 10 to 16.  Presenting as a curved spine, the condition can also be seen in younger children and adults. If you suspect your child may have this condition, there are… Read more →

  • young girl with scoliosis standing at the meadow and looking at the distance

    Adolescent Idiopathic Scoliosis – Staying Ahead of the Curve

    This variety of scoliosis is a challenge for both patient and doctor, but it’s a challenge that can be met with the right approach. Adolescents go through growth spurts and during those times, curvatures caused by scoliosis can progress rapidly. … Read more →


Understanding Your Child’s Scoliosis and Treatment Options


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