Baron S. Lonner MD
Orthopedic Spine Surgery, Pediatric Orthopedics
Pediatric and Adult Spine Surgery Speciality Scoliosis
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5 East 98th Street4th Floor, Box 1188New York, NY 10029
Phone+1 212-241-8312
Fax+1 646-537-9449
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Summary
- Dr. Baron Lonner is an orthopaedic surgeon based in New York, NY, specializing in orthopedic spine surgery and pediatric orthopedics. He completed his medical education at Boston University School of Medicine in 1989, followed by a residency in orthopaedic surgery at Montefiore Medical Center and fellowship in spine surgery at Hospital for Special Surgery/Cornell Medical Center. He serves as the Director of Scoliosis Surgery at Spine Associates of NYC and is a Clinical Professor of Orthopaedic Surgery and Pediatrics at the Icahn School of Medicine. Dr. Lonner has expertise in treating scoliosis, kyphosis, and related spinal curvatures, and is a leader in minimally invasive and non-fusion scoliosis surgery. His research has been published in prominent journals like Spine Deformity, Spine, Journal of Bone and Joint Surgery, and Journal of Pediatric Orthopedics. He has conducted clinical trials on spinal surgery techniques and has been recognized as a top doctor by Castle Connolly and SuperDoctors.com multiple times between 2006 and 2018.
Education & Training
Hospital for Special Surgery/Cornell Medical CenterFellowship, Orthopaedic Surgery Of The Spine, 1994 - 1995
Montefiore Medical Center/Albert Einstein College of MedicineResidency, Orthopaedic Surgery, 1990 - 1994
Icahn School of Medicine at Mount SinaiInternship, Transitional Year, 1989 - 1990
Boston University School of MedicineClass of 1989
Certifications & Licensure
CA State Medical License 2025 - 2028
FL State Medical License 2022 - 2028
NJ State Medical License 2010 - 2027
NY State Medical License 1990 - 2026
CT State Medical License 1999 - 2002
American Board of Orthopaedic Surgery Orthopaedic Surgery
Awards, Honors, & Recognition
- New York Magazine: Top Doctors Castle Connolly, 2012-2018
- Super Doctor SuperDoctors.com, 2012-2018
- Top Doctors: New York Metro Area Castle Connolly, 2006-2018
Clinical Trials
- Prospective Study of Scheuermann's Kyphosis Start of enrollment: 2006 May 01
- Tranexamic Acid (TXA) Versus Epsilon Aminocaproic Acid (EACA) Versus Placebo for Spine Surgery Start of enrollment: 2008 Dec 01
- Comparison of Antibiotic Protocols in Spine Patients With Postoperative Drains Start of enrollment: 2008 Nov 01
Publications & Presentations
PubMed
- The magnitude of postoperative anterior vertebral body tethering scoliosis correction as measured by inter-screw angulation is dependent on the remaining growth potent...Peter O Newton, Baron Lonner, Kevin Neal, Daniel G Hoernschemeyer, Firoz Miyanji
Spine Deformity. 2026-03-26 - A Normal PI-LL Relationship is Associated With Pain Improvement Following Posterior Spinal Fusion for Scheuermann Kyphosis.Adam N Fano, Hiroko Matsumoto, Matthew J Weintraub, Elizabeth T Herman, Christina Rymond
Journal of Pediatric Orthopedics. 2026-03-01 - Revisiting the mini open thoracoscopically-assisted anterior (MOTA) approach for thoracic and thoracolumbar spine exposure in adolescent idiopathic scoliosis: A single...George Youssef, Olgerta Mucollari, Jeanne Wu, Baron Lonner, Sergei Dolgopolov
Journal of Pediatric Surgery. 2026-02-21
Journal Articles
- Body Image Disturbance Improvement Following Operative Correction of Adolescent Idiopathic Scoliosis1. Baron S. Lonner, MD; Robert Brochin MD; Roxanne Lewis BS; Khushdeep S. Vig BA; Gabrielle Kassin BS; Andrea Castillo BS; Yuan Ren PhD, Spine Deformity
- Successful Management of a Patient with X-Linked Myotubular Myopathy for Scoliosis Surgery and Previous Cardiac Arrest Following Prone Positioning: A Case Report.Anesthesia & Analgesia., Anesthesia & Analgesia
- Psychosocial Factors and Surgical Outcomes in Adult Spinal DeformityCourtney S. Toombs, MD, Justin C. Paul, MD, PhD,y and Baron S. Lonner, MD, Spine Deformity, 8/2018
Press Mentions
Vertebral Body Tethering May Yield Outcomes Similar to Posterior Spinal FusionSeptember 2nd, 2021- Becker's Spine and Orthopedics PodcastApril 29th, 2021
- Brooklyn Dancer Getting Second Chance Thanks to New Spine ProcedureMarch 5th, 2021
Research History
- Harm's Study GroupInternational spinal deformity research group, involved in multiple prospective and retrospective studies. Principal Investigator, retrospective and prospective Scheuermann’s Kyphosis studies.2004 - Present
- Isola Study GroupSpinal deformity study group, meets bi-annually.1997 - Present
External Links
- Instagram: @scoliosisfixerhttps://www.instagram.com/scoliosisfixer/
- Facebook: @ScoliosisandSpineAssociatesBaronLonnerMDhttps://www.facebook.com/ScoliosisandSpineAssociatesBaronLonnerMD/
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