Peter O. Newton, M.D.


, Orthopedic Surgery, Orthopedic Surgery-Spine


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

Rady Children's Specialists

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 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 140 studies; 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, Scoliosis Research Society and the Pediatric Orthopaedic Society of North America, where he was a former president.

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


Reciprocal Changes in Sagittal Alignment With Operative Treatment of Adolescent Scheuermann Kyphosis-Prospective Evaluation of 96 Patients.
Lonner BS, Parent S, Shah SA, Sponseller P, Yaszay B, Samdani AF, Cahill PJ, Pahys JM, Betz R, Ren Y, Shufflebarger HL, Newton PO

Relationships Between the Axial Derotation of the Lower Instrumented Vertebra and Uninstrumented Lumbar Curve Correction: Radiographic Outcome in Lenke 1 Adolescent Idiopathic Scoliosis With a Minimum 2-Year Follow-up.
Pasha S, Cahill PJ, Flynn JM, Sponseller P, Newton PO, Harms Study Group.

Patient-Specific Risk Adjustment Improves Comparison of Infection Rates Following Posterior Fusion for Adolescent Idiopathic Scoliosis.
Newton PO, Bastrom TP, Yaszay B

Timing of Changes in Three-Dimensional Spinal Parameters After Selective Thoracic Fusion in Lenke 1 Adolescent Idiopathic Scoliosis: Two-Year Follow-up.
Pasha S, Flynn JM, Sponseller PD, Orlando G, Newton PO, Cahill PJ, Harms Study Group.

Differential Rod Contouring is Essential for Improving Vertebral Rotation in Patients With Adolescent Idiopathic Scoliosis: Thoracic Curves Assessed With Intraoperative CT.
Seki S, Newton PO, Yahara Y, Makino H, Nakano M, Hirano N, Kawaguchi Y, Kimura T

Response to Schlösser et al.
Newton PO

A Detailed Comparative Analysis of Anterior Versus Posterior Approach to Lenke 5C Curves.
Miyanji F, Nasto LA, Bastrom T, Samdani AF, Yaszay B, Clements D, Shah SA, Lonner B, Betz RR, Shufflebarger HL, Newton PO

Are There 3D Changes in Spine and Rod Shape in the 2 Years After Adolescent Idiopathic Scoliosis Instrumentation?
Le Navéaux F, Labelle H, Parent S, Newton PO, Aubin CE

Evolution of Surgery for Adolescent Idiopathic Scoliosis over 20 Years: Have Outcomes Improved?
Lonner BS, Ren Y, Yaszay B, Cahill PJ, Shah SA, Betz RR, Samdani AF, Shufflebarger HL, Newton PO

Perioperative and Delayed Major Complications Following Surgical Treatment of Adolescent Idiopathic Scoliosis.
Bartley CE, Yaszay B, Bastrom TP, Shah SA, Lonner BS, Asghar J, Miyanji F, Samdani A, Newton PO

A Novel Method for Estimating Three-Dimensional Apical Vertebral Rotation Using Two-Dimensional Coronal Cobb Angle and Thoracic Kyphosis.
Sullivan TB, Bastrom T, Reighard F, Jeffords M, Newton PO

Selective thoracic fusion of a left decompensated main thoracic curve: proceed with caution?
Sullivan TB, Bastrom TP, Bartley CE, Shah SA, Lonner BS, Asghar J, Miyanji F, Newton PO, Yaszay B

Thoracic Idiopathic Scoliosis Severity Is Highly Correlated with 3D Measures of Thoracic Kyphosis.
Sullivan TB, Reighard FG, Osborn EJ, Parvaresh KC, Newton PO

Recurrence of Deep Surgical Site Infection in Cerebral Palsy After Spinal Fusion Is Rare.
Jain A, Modhia UM, Njoku DB, Shah SA, Newton PO, Marks MC, Bastrom TP, Miyanji F, Sponseller PD

Risk Factors of Proximal Junctional Kyphosis in Adolescent Idiopathic Scoliosis-The Pelvis and Other Considerations.
Lonner BS, Ren Y, Newton PO, Shah SA, Samdani AF, Shufflebarger HL, Asghar J, Sponseller P, Betz RR, Yaszay B

Resource Utilization in Adolescent Idiopathic Scoliosis Surgery: Is There Opportunity for Standardization?
Lonner BS, Toombs CS, Paul JC, Shah SA, Shufflebarger HL, Flynn JM, Newton PO

Predicting 3D Thoracic Kyphosis Using Traditional 2D Radiographic Measurements in Adolescent Idiopathic Scoliosis.
Parvaresh KC, Osborn EJ, Reighard FG, Doan J, Bastrom TP, Newton PO

Development of Consensus-Based Best Practice Guidelines for Postoperative Care Following Posterior Spinal Fusion for Adolescent Idiopathic Scoliosis.
Fletcher ND, Glotzbecker MP, Marks M, Newton PO, Harms Study Group.

MRI Screening in Operative Scheuermann Kyphosis: Is it Necessary?
Lonner BS, Toombs CS, Mechlin M, Ciavarra G, Shah SA, Samdani AF, Sponseller P, Shufflebarger HL, Betz RR, Yaszay B, Newton PO

Predictors of Distal Adding-on in Thoracic Major Curves With AR Lumbar Modifiers.
Murphy JS, Upasani VV, Yaszay B, Bastrom TP, Bartley CE, Samdani A, Lenke LG, Newton PO

Factors affecting the outcome in appearance of AIS surgery in terms of the minimal clinically important difference.
Bennett JT, Samdani AF, Bastrom TP, Ames RJ, Miyanji F, Pahys JM, Marks MC, Lonner BS, Newton PO, Shufflebarger HL, Yaszay B, Flynn JM, Betz RR, Cahill PJ

The Effect of Time and Fusion Length on Motion of the Unfused Lumbar Segments in Adolescent Idiopathic Scoliosis.
Marks MC, Bastrom TP, Petcharaporn M, Shah SA, Betz RR, Samdani A, Lonner B, Miyanji F, Newton PO

New EOS Imaging Protocol Allows a Substantial Reduction in Radiation Exposure for Scoliosis Patients.
Newton PO, Khandwala Y, Bartley CE, Reighard FG, Bastrom TP, Yaszay B

5-Year Reoperation Risk and Causes for Revision After Idiopathic Scoliosis Surgery.
Ahmed SI, Bastrom TP, Yaszay B, Newton PO, Harms Study Group.

Subclassification of GMFCS Level-5 Cerebral Palsy as a Predictor of Complications and Health-Related Quality of Life After Spinal Arthrodesis.
Jain A, Sponseller PD, Shah SA, Samdani A, Cahill PJ, Yaszay B, Njoku DB, Abel MF, Newton PO, Marks MC, Narayanan UG, Harms Study Group.

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

PubMed is a third-party website and not affiliated with Rady Children's Hospital-San Diego.

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