Baron S. Lonner, MD

Baron S. Lonner, MD

Chief of Spine Surgery and Director, Spine Institute of New York, Mount Sinai Beth Israel

Baron S. Lonner, MD, is a board-certified orthopedic spine surgeon, Chief of Spine Surgery and Director of the Spine Institute of New York at Mount Sinai Beth Israel.  Dr. Lonner specializes in the reconstructive surgical treatment of pediatric and adult patients with scoliosis, kyphosis, and other forms of spinal deformity.  He is a vastly experienced leader in minimally invasive spinal surgery, using  endoscopic techniques to treat scoliosis and other deformities, as well as offering non-operative treatment options.  Dr. Lonner also offers the radiation-free ScoliScan imaging system, which provides a very accurate 3D reconstruction of a spinal curvature and an optimal treatment plan.

In addition to his extensive training and experience with innovative surgical techniques, Dr. Lonner has been recognized for his outstanding patient care and community service. For several years, he has traveled the world as a surgeon volunteer to treat patients with spinal disorders, as well as to provide training for doctors and other medical personnel in countries in need of assistance.

Dr. Lonner holds leadership positions in the Scoliosis Research Society, the premier professional society for academic spine surgeons, and sits on the Editorial Boards of four of the leading spine journals. He has over 70 publications and more than 100 presentations at national and international meetings. 


Orthopedic Spine Surgery

Specializations/Clinical Interests
Spine Surgery
Spinal Fusion
Spine Deformity
Minimally Invasive Scoliosis Surgery

Board Certification
American Board of Orthopedic Surgery, 2007

Medical School
Boston University School of Medicine, Boston, MA, 1989

Orthopedic Surgery, Montefiore Medical Center, Bronx, NY, 1990‑1994

Spine and Scoliosis Surgery, Hospital for Special Surgery, New York, NY, 1994‑1995

Academic Appointment
Professor of Orthopaedic Surgery

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