- PROFESSOR | Orthopedics
- PROFESSOR | Pediatrics
- Orthopedic Surgery
- Hospital Affiliations
- The Mount Sinai Hospital
- Mount Sinai Beth Israel
- Mount Sinai St. Luke's and Mount Sinai West
Dr. Baron Lonner is a Professor of Orthopedic Surgery at Mount Sinai Hospital in New York City. Dr. Lonner’s central clinical interest is caring for patients with scoliosis and other spinal deformities using both operative and nonoperative treatments. His approach to patients and their families is a holistic one in which the patient’s quality of life, values, and perspective are at the forefront of decision-making about the patient’s treatment options.
Dr. Lonner has performed over 3,000 surgeries in pediatric and adult scoliosis patients including primary and revision surgeries. He has been an innovator in the area of minimally invasive surgery of the spine for scoliosis, kyphosis, and other conditions. In addition, he has embarked on a pursuit of non-fusion scoliosis care through anterior vertebral body tethering techniques.
With over 120 publications in the orthopedic literature, Dr. Lonner’s research interests include outcomes in spinal deformity surgery and nonoperative care. He and his team have developed two new outcome instruments for adolescent idiopathic scoliosis. Dr. Lonner has a keen interest in the interplay of cost and quality and the value equation in spine care. He is a reviewer for four spine journals, and he is an associate editor on the editorial board of the Journal of Spinal Deformity. Dr. Lonner is a board member of the Scoliosis Research Society and the Setting Scoliosis Straight Foundation.
Dr. Lonner has traveled extensively in developing countries of Africa, the Middle East, and the Caribbean where he has performed operations on children with severe spinal deformities in. He is a consultant for Depuy Synthes and Johnson and Johnson companies, and he is one of the developers of the Expedium spinal implant system used in the treatment of scoliosis and other spinal deformities.
MD, Boston University
Internship, General Surgery
Mount Sinai Hospital
Residency, Orthopaedic Surgery
Albert Einstein College of Medicine
Fellowship, Spinal Surgery
Hospital for Special Surgery
Physicians and scientists on the faculty of the Icahn School of Medicine at Mount Sinai often interact with pharmaceutical, device and biotechnology companies to improve patient care, develop new therapies and achieve scientific breakthroughs. In order to promote an ethical and transparent environment for conducting research, providing clinical care and teaching, Mount Sinai requires that salaried faculty inform the School of their relationships with such companies.
Below are financial relationships with industry reported by Dr. Lonner during 2017 and/or 2018. Please note that this information may differ from information posted on corporate sites due to timing or classification differences.
- DePuy Spine
Industry-Sponsored Lectures: MSSM faculty occasionally give lectures at events sponsored by industry, but only if the events are free of any marketing purpose
- K2M, Inc.
Other activities: Examples include, but are not limited to, committee participation, data safety monitoring board (DSMB) membership
- DePuy Spine
- Paradigm Spine, LLC
Mount Sinai's faculty policies relating to faculty collaboration with industry are posted on our website. Patients may wish to ask their physician about the activities they perform for companies.
Physicians who provide services at hospitals and facilities in the Mount Sinai Health System might not participate in the same health plans as those Mount Sinai hospitals and facilities (even if the physicians are employed or contracted by those hospitals or facilities).
Information regarding insurance participation and billing by this physician may be found on this page, and can also be obtained by contacting this provider directly. Because physicians insurance participation can change, the insurance information on this page may not always be up-to-date. Please contact this physician directly to obtain the most up-to-date insurance information.
Insurance and health plan networks that the various Mount Sinai Health System hospitals and facilities participate in can be found on the Mount Sinai Health System website.