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Baron S Lonner, MD

img_Baron S Lonner
CLINICAL PROFESSOR | Orthopedics
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MD, Boston University School of Medicine

Internship, Surgery (General Surgery), Mount Sinai Hospital

Residency, Orthopaedic Surgery, Albert Einstein College of Medicine-Yeshiva University

Fellowship, Spine Surgery, Hospital for Special Surgery

Certifications

American Board of Orthopaedic Surgery
271
Publications

Selected Publications

A comparison of patients with adolescent idiopathic scoliosis and Lenke C-type lumbar curves treated with selective thoracic fusion vs non-selective fusion: a 10-year follow-up study. Nicholas D. Fletcher, Tracey P. Bryan, Suken A. Shah, Stefan Parent, A. Noelle Larson, Michelle A. Marks, Michael P. Kelly, Vidyadhar Upasani, Tom Errico, Sumeet Garg, Suken Shah, Steven Hwang, Stephen George, Stefan Parent, Robert H. Cho, Randal Betz, Peter Newton, Peter Gabos, Paul Sponseller, Patrick Cahill, Nicholas Fletcher, Munish Gupta, Michelle Marks, Michael Vitale, Michael Kelly, Michael Glotzbecker, Mark Erickson, Lawrence Lenke, Lawrence Haber, Kevin Neal, Keith Bachmann, Joshua Pahys, Josh Murphy, Jenn Bauer, Jean Marc Mac Thiong, Jaysson Brooks, Jason Anari, Jack Flynn, Harry Shufflebarger, Firoz Miyanji, David Clements, Daniel Sucato, Daniel Hedequist, Dan Hoernschmeyer, Caglar Yilgor, Burt Yaszay, Benjamin Roye, Baron Lonner, Amit Jain, Amer Samdani. Spine Deformity

Tether Breakage Across First-generation and Second-generation Vertebral Body Tethering Devices in Treating Adolescent Idiopathic Scoliosis. Thomas A. Coleman, Andrew Kim, Vineet Desai, Stefan Parent, Firoz Miyanji, Ahmet Alanay, Sulagna Sarkar, Jason B. Anari, Brett R. Lullo, Patrick J. Cahill, A. Noelle Larson, Aaron Buckland, Ahmet Alanay, Amer Samdani, Amit Jain, Baron Lonner, Benjamin Roye, Burt Yaszay, Caglar Yilgor, Dan Hoernschmeyer, Daniel Hedequist, Daniel Sucato, David Clements, Firoz Miyanji, Harry Shufflebarger, Jack Flynn, Jean Marc Mac Thiong, Josh Murphy, Joshua Pahys, Keith Bachmann, Kevin Neal, Laurel Blakemore, Lawrence Haber, Lawrence Lenke, Mark Abel, Mark Erickson, Michael Glotzbecker, Michael Kelly, Michael Vitale, Michelle Marks, Munish Gupta, Nicholas Fletcher, Patrick Cahill, Paul Sponseller, Peter Gabos, Peter Newton, Peter Sturm, Randal Betz, Robert H. Cho, Stefan Parent. Journal of Pediatric Orthopaedics

The magnitude of postoperative anterior vertebral body tethering scoliosis correction as measured by inter-screw angulation is dependent on the remaining growth potential at the time of surgery. Peter O. Newton, Baron Lonner, Kevin Neal, Daniel G. Hoernschemeyer, Firoz Miyanji, Masuda Keisuke, Tracey P. Bryan, Vidyadhar Upasani, Tom Errico, Sumeet Garg, Suken Shah, Steven Hwang, Stephen George, Stefan Parent, Randal Betz, Peter Sturm, Peter Newton, Peter Gabos, Paul Sponseller, Patrick Cahill, Noelle Larson, Nicholas Fletcher, Munish Gupta, Michelle Marks, Michael Vitale, Michael Kelly, Michael Glotzbecker, Mark Erickson, Mark Abel, Lawrence Lenke, Lawrence Haber, Laurel Blakemore, Keith Bachmann, Joshua Pahys, Josh Murphy, Jean Marc Mac Thiong, Jack Flynn, Harry Shufflebarger, David Clements, Daniel Sucato, Daniel Hedequist, Dan Hoernschmeyer, Caglar Yilgor, Burt Yaszay, Bob Cho, Benjamin Roye, Baron Lonner, Amit Jain, Amer Samdani, Ahmet Alanay. Spine Deformity

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Physicians and scientists on the faculty of the Icahn School of Medicine at Mount Sinai often interact with pharmaceutical, device, biotechnology companies, and other outside entities 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 outside financial relationships.

Below are financial relationships with industry reported by Dr. Lonner during 2025 and/or 2026. Please note that this information may differ from information posted on corporate sites due to timing or classification differences.

Board Service

  • Setting Scoliosis Straight Foundation

Consulting or Other Professional Services Examples include, but are not limited to, committee participation, data safety monitoring board (DSMB) membership

  • DePuy Synthes
  • Zim Vie

Equity (Stock or stock options valued at greater than 5% ownership of a publicly traded company or equity of any value in a privately held company)

  • SpineSearch

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.