Peter O. Newton, M.D.


Orthopedic Surgery, Orthopedic Surgery-Spine


San Diego County

3020 Children's Way
MC 5062
San Diego, CA 92123


Orthopedic Surgery, Orthopedic Surgery-Spine


Rady Children's Specialists of San Diego

Medical Group / IPA


Medical School

University of Texas-Southwestern


UC San Diego


UC San Diego


Texas Scottish Rite Hospital for Children

Board Certifications

Orthopedic Surgery




Dr. Peter Newton is chief of the Division of Orthopedics & Scoliosis as well as surgeon-in-chief at Rady Children's Hospital-San Diego and a clinical professor at UC San Diego School of Medicine.

After earning his degree in bioengineering, Dr. Newton attended the University of Texas, Southwestern Medical School. He completed his residency at UC San Diego, followed by a fellowship in pediatric orthopedics and scoliosis at the Texas Scottish Rite Hospital in Dallas.

Dr. Newton primarily treats scoliosis and other spinal conditions, such as vertebral fractures. On the research side, he has been involved in more than 200 publications; among his areas of focus are spine surgery, scoliosis without spinal fusion, and orthopedic biomechanics. He has also authored numerous books and book chapters.

His professional affiliations include membership in numerous pediatric orthopedic organizations, including the American Academy of Orthopaedic Surgeons and the Pediatric Orthopaedic Society of North America, where he was a former president. He was also the past president of the Scoliosis Research Society.

In addition to his clinical practice, Dr. Newton enjoys travel, fishing and auto mechanics.


Late Infection After Spinal Fusion for Adolescent Idiopathic Scoliosis: Implant Exchange Versus Removal.
Benes G, Shufflebarger HL, Shah SA, Yaszay B, Marks MC, Newton PO, Sponseller PD

Machine Learning for Benchmarking Adolescent Idiopathic Scoliosis Surgery Outcomes.
Gupta A, Oh IY, Kim S, Marks MC, Payne PRO, Ames CP, Pellise F, Pahys JM, Fletcher ND, Newton PO, Kelly MP, Harms Study Group

Perioperative Complications and Health-Related Quality of Life Outcomes in Severe Pediatric Spinal Deformity.
Gupta MC, Lenke LG, Gupta S, Farooqi AS, Asghar JK, Boachie-Adjei O, Cahill PJ, Erickson MA, Garg S, Newton PO, Samdani AF, Shah SA, Shufflebarger HL, Sponseller PD, Sucato DJ, Bumpass DB, McCarthy RE, Yaszay B, Pahys JM, Ye J, Kelly MP, Fox Pediatric Spinal Deformity Study Group

When to Perform Fusion Short of the Pelvis in Patients with Cerebral Palsy?: Indications and Outcomes.
Badin D, Baldwin KD, Cahill PJ, Spiegel DA, Shah SA, Yaszay B, Newton PO, Sponseller PD

Anterior Vertebral Body Tethering Compared with Posterior Spinal Fusion for Major Thoracic Curves: A Retrospective Comparison by the Harms Study Group.
Newton PO, Parent S, Miyanji F, Alanay A, Lonner BS, Neal KM, Hoernschemeyer DG, Yaszay B, Blakemore LC, Shah SA, Bastrom TP, Harms Study Group

SRS-22r Self-Image After Surgery for Adolescent Idiopathic Scoliosis at 10-year Follow-up.
Stone LE, Upasani VV, Pahys JM, Fletcher ND, George SG, Shah SA, Bastrom TP, Bartley CE, Lenke LG, Newton PO, Kelly MP, Harms Study Group

Operative choices matter: the role of UIV and sagittal balance in the development of proximal junctional kyphosis following posterior instrumentation for Scheuermann's kyphosis.
Fano AN, Matsumoto H, Sinha R, Bonsignore-Opp L, Boby AZ, Roye BD, Iyer R, Lenke LG, Luzzi A, Mizerik AS, Newton PO, Lonner B, Vitale MG

Posterior cervical spinal fusion in the pediatric population using modern adult instrumentation - clinical outcome and safety.
Spiessberger A, Newton PO, Mackenzie W, Samdani A, Miyanji F, Pahys J, Shah S, Sponseller P, Abel M, Phillips J, Marks M, Yaszay B

Updated Criteria for Fusion Level Selection in Adolescent Idiopathic Scoliosis Including Use of Three-Dimensional Analysis.
Shah SA, Henstenburg JM, Newton PO, Parent S

Orthopedic Coordinated Registry Network (Ortho-CRN): advanced infrastructure for real-world evidence generation.
Gressler LE, Devlin V, Jung M, Marinac-Dabic D, Sedrakyan A, Paxton EW, Franklin P, Navarro R, Ibrahim S, Forsberg J, Voorhorst PE, Zusterzeel R, Vitale M, Marks MC, Newton PO, Peat R

Best Practice Guidelines for Surgical Site Infection in High-risk Pediatric Spine Surgery: Definition, Prevention, Diagnosis, and Treatment.
Badin D, Leland CR, Matsumoto H, Roye B, Vitale M, Flynn J, Samdani A, Larson AN, Yaszay B, Pahys J, Glotzbecker M, Bachmann KR, Newton PO, Betz R, Miyanji F, Shah S, Sturm PF, Hwang S, Erickson M, Cahill PJ, Fletcher N, Upasani VV, Sucato DJ, Sponseller PD

Beware of open triradiate cartilage: 1 in 4 patients will lose > 10° of correction following posterior only fusion.
Catanzano AA Jr, Sponseller PD, Newton PO, Bastrom TP, Bartley CE, Shah SA, Cahill PJ, Group HS, Yaszay B

1- vs. 2-year follow-up after posterior spinal fusion for AIS: what additional information is gained?
Shaw KA, Orland K, Bastrom TP, Newton PO, Harms Study Group, Fletcher ND

Spontaneous Lumbar Curve Correction Following Vertebral Body Tethering of Main Thoracic Curves.
Catanzano AA Jr, Newton PO, Bastrom TP, Bartley CE, Parent S, Miyanji F, Hoernschemeyer DG, Alanay A, Blakemore L, Neal K, Lonner B, Haber L, Shah SA, Yaszay B, Harms Non-Fusion Study Group Investigators

How often does the preoperative plan for freehand pedicle screw placement match the actual surgical execution in adolescent idiopathic scoliosis?
O'Leary R, Sullivan TB, Bartley CE, Bastrom TP, Upasani VV, Newton PO, Yaszay B

Definitive fusion for scoliosis in late juvenile cerebral palsy patients is durable at 5 years postoperatively.
Howard R, Sponseller PD, Shah SA, Miyanji F, Samdani AF, Newton PO, Harms Study Group Investigators, Yaszay B

Correction to: The classification of scoliosis braces developed by SOSORT with SRS, ISPO, and POSNA and approved by ESPRM.
Negrini S, Aulisa AG, Cerny P, de Mauroy JC, McAviney J, Mills A, Donzelli S, Grivas TB, Hresko MT, Kotwicki T, Labelle H, Marcotte L, Matthews M, O'Brien J, Parent EC, Price N, Manuel R, Stikeleather L, Vitale MG, Wong MS, Wood G, Wynne J, Zaina F, Bruno MB, Würsching SB, Yilgor C, Cahill P, Dema E, Knott P, Lebel A, Lein G, Newton PO, Smith BG

Complications following surgical treatment of adolescent idiopathic scoliosis: a 10-year prospective follow-up study.
Hariharan AR, Shah SA, Petfield J, Baldwin M, Yaszay B, Newton PO, Lenke LG, Lonner BS, Miyanji F, Sponseller PD, Samdani AF, Harms Study Group

Preoperative factors associated with optimal outcomes of selective thoracic fusion at 5 years.
Lindgren AM, Bastrom TP, Bartley CE, Samdani AF, Shah SA, Miyanji F, Cahill PJ, Upasani VV, Newton PO, Harms Study Group, Yaszay B

To tether or fuse? Significant equipoise remains in treatment recommendations for idiopathic scoliosis.
Shaw KA, Welborn MC, Matsumoto H, Parent S, Sachwani N, El-Hawary R, Skaggs D, Newton PO, Blakemore L, Vitale M, Samdani A, Murphy JS, Pediatric Spine Study Group

Surgical outcomes of severe spinal deformities exceeding 100° or treated by vertebral column resection (VCR). Does implant density matter?: an observational study of deformity groupings.
Boachie-Adjei O, Duah HO, Sackeyfio A, Yankey KP, Lenke LG, Sponseller PD, Samdani AF, Sucato DJ, Sides BA, Newton PO, Shah SA, Akoto H, Gupta MC, Fox Pediatric Spinal Deformity Study

The classification of scoliosis braces developed by SOSORT with SRS, ISPO, and POSNA and approved by ESPRM.
Negrini S, Aulisa AG, Cerny P, de Mauroy JC, McAviney J, Mills A, Donzelli S, Grivas TB, Hresko MT, Kotwicki T, Labelle H, Marcotte L, Matthews M, O'Brien J, Parent EC, Price N, Manuel R, Stikeleather L, Vitale MG, Wong MS, Wood G, Wynne J, Zaina F, Bruno MB, Würsching SB, Yilgor C, Cahill P, Dema E, Knott P, Lebel A, Lein G, Newton PO, Smith BG

Elastic Intramedullary Nails in the Treatment of Pediatric Length Unstable Femur Fractures.
Ouillette RJ, Bastrom TP, Newton PO, Pennock AT

Are patients who return for 10-year follow-up after AIS surgery different from those who do not?
Bastrom TP, Howard R, Bartley CE, Newton PO, Lenke LG, Sponseller PD, Shufflebarger H, Lonner B, Shah SA, Betz R, Yaszay B

When successful, anterior vertebral body tethering (VBT) induces differential segmental growth of vertebrae: an in vivo study of 51 patients and 764 vertebrae.
McDonald TC, Shah SA, Hargiss JB, Varghese J, Boeyer ME, Pompliano M, Neal K, Lonner BS, Larson AN, Yaszay B, Newton PO, Hoernschemeyer DG, Harms Nonfusion Study Group

See the full listing of this physician's publications on PubMed, a service of the National Library of Medicine.

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