, Orthopaedic Surgery, Orthopedic Surgery-Spine


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


Orthopaedic 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

Orthopaedic 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 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 is the current president of the Scoliosis Research Society.

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


Patient-Reported SRS-24 Outcomes Scores After Surgery for Adolescent Idiopathic Scoliosis Have Improved Since the New Millennium.
Bastrom TP, Bartley CE, Newton PO, Harms Study Group.

Obesity Is Associated With Increased Thoracic Kyphosis in Adolescent Idiopathic Scoliosis Patients and Nonscoliotic Adolescents.
Valdovino AG, Bastrom TP, Reighard FG, Cross M, Bartley CE, Shah SA, Yaszay B, Newton PO, Upasani VV

Lower SRS Mental Health Scores are Associated With Greater Preoperative Pain in Patients With Adolescent Idiopathic Scoliosis.
Hwang SW, Pahys JM, Bastrom TP, Lonner BS, Newton PO, Samdani AF, Harms Study Group.

The Lumbosacral Takeoff Angle Can Be Used to Predict the Postoperative Lumbar Cobb Angle Following Selective Thoracic Fusion in Patients with Adolescent Idiopathic Scoliosis.
Bachmann KR, Lu E, Novicoff WM, Newton PO, Abel MF, Harms Study Group.

The Role of Cross-Links in Posterior Spinal Fusion for Cerebral Palsy-Related Scoliosis.
Usmani MF, Shah SA, Yaszay B, Samdani AF, Cahill PJ, Newton PO, Marks MC, Sponseller PD

Antifibrinolytic Therapy in Surgery for Adolescent Idiopathic Scoliosis Does the Level 1 Evidence Translate to Practice?
Lonner BS, Ren Y, Asghar J, Shah SA, Samdani AF, Newton PO

Is Anterior Release Obsolete or Does it Play a Role in Contemporary Adolescent Idiopathic Scoliosis Surgery? A Matched Pair Analysis.
Lonner BS, Toombs C, Parent S, Shah SA, Lenke L, Sucato D, Haber L, Clements D, Newton PO

What Factors Are Associated With Kyphosis Restoration in Lordotic Adolescent Idiopathic Scoliosis Patients?
Newton PO, Wu KW, Bastrom TP, Bartley CE, Upasani VV, Yaszay B, Harms Study Group.

A three-dimensional analysis of scoliosis progression in non-idiopathic scoliosis: is it similar to adolescent idiopathic scoliosis?
Bachmann KR, Yaszay B, Bartley CE, Bastrom TP, Reighard FG, Upasani VV, Newton PO, Harms Study Group Investigators.

The Pros and Cons of Operating Early Versus Late in the Progression of Cerebral Palsy Scoliosis.
Hollenbeck SM, Yaszay B, Sponseller PD, Bartley CE, Shah SA, Asghar J, Abel MF, Miyanji F, Newton PO

Ten-Year Outcomes of Selective Fusions for Adolescent Idiopathic Scoliosis.
Louer C Jr, Yaszay B, Cross M, Bartley CE, Bastrom TP, Shah SA, Lonner B, Cahill PJ, Samdani A, Upasani VV, Newton PO

L3 translation predicts when L3 is not distal enough for an "ideal" result in Lenke 5 curves.
Phillips L, Yaszay B, Bastrom TP, Shah SA, Lonner BS, Miyanji F, Samdani AF, Parent S, Asghar J, Cahill PJ, Newton PO

Rigid segmental cervical spine instrumentation is safe and efficacious in younger children.
Mitchell A, Upasani VV, Bartley CE, Newton PO, Yaszay B

Progressive decline in pulmonary function 5 years post-operatively in patients who underwent anterior instrumentation for surgical correction of adolescent idiopathic scoliosis.
Yaszay B, Jankowski PP, Bastrom TP, Lonner B, Betz R, Shah S, Asghar J, Miyanji F, Samdani A, Newton PO

Corrigendum to: Agreement Between Manual and Computerized Designation of Neutral Vertebra in Idiopathic Scoliosis [Spine Deformity 6/6 (2018) 644-650].
DeFrancesco CJ, Pasha S, Miller DJ, Betz RR, Clements DH, Fletcher ND, Glotzbecker MG, Hwang SW, Kelly MP, Lehman RA, Lonner BS, Newton PO, Roye BD, Sponseller PD, Upasani VV, Cahill PJ, Harms Study Group.

Major Complications at Two Years After Surgery Impact SRS Scores for Adolescent Idiopathic Scoliosis Patients.
Bastrom TP, Yaszay B, Shah SA, Miyanji F, Lonner BS, Kelly MP, Samdani A, Asghar J, Newton PO

Surgery for the Adolescent Idiopathic Scoliosis Patients After Skeletal Maturity: Early Versus Late Surgery.
Lonner BS, Ren Y, Bess S, Kelly M, Kim HJ, Yaszay B, Lafage V, Marks M, Miyanji F, Shaffrey CI, Newton PO

Three-Dimensional Radiographic Analysis of Two Distinct Lenke 1A Curve Patterns.
Fitzgerald R, Upasani VV, Bastrom TP, Bartley CE, Reighard FG, Yaszay B, Newton PO

The 3D Sagittal Profile of Thoracic Versus Lumbar Major Curves in Adolescent Idiopathic Scoliosis.
Newton PO, Osborn EJ, Bastrom TP, Doan JD, Reighard FG

Biomechanical Comparison of the Load-Sharing Capacity of High and Low Implant Density Constructs With Three Types of Pedicle Screws for the Instrumentation of Adolescent Idiopathic Scoliosis.
Clin J, Le Navéaux F, Driscoll M, Mac-Thiong JM, Labelle H, Parent S, Shah SA, Lonner BS, Newton PO, Serhan H

Do All Patients With Cerebral Palsy Require Postoperative Intensive Care Admission After Spinal Fusion?
Brooks JT, Yaszay B, Bartley CE, Bastrom TP, Sponseller PD, Shah SA, Samdani A, Cahill PJ, Miyanji F, Newton PO, Harms Study Group.

Cost-Utility Analysis of Operative Versus Nonoperative Treatment of Thoracic Adolescent Idiopathic Scoliosis.
Jain A, Marks MC, Kelly MP, Lenke LG, Errico TJ, Lonner BS, Newton PO, Sponseller PD, Harms Study Group.

In Search of the Ever-Elusive Postoperative Shoulder Balance: Is the T2 UIV the Key?
Brooks JT, Bastrom TP, Bartley CE, Lonner BS, Shah SA, Miyanji F, Asghar J, Newton PO, Yaszay B, Harms Study Group.

Disc Degeneration in Unfused Caudal Motion Segments Ten Years Following Surgery for Adolescent Idiopathic Scoliosis.
Lonner BS, Ren Y, Upasani VV, Marks MM, Newton PO, Samdani AF, Chen K, Shufflebarger HL, Shah SA, Lefton DR, Nasser H, Dabrowski CT, Betz RR

Agreement Between Manual and Computerized Designation of Neutral Vertebra in Idiopathic Scoliosis.
DeFrancesco CJ, Pasha S, Miller DJ, Betz RR, Clements DH, Fletcher ND, Glotzbecker MG, Hwang SW, Kelly MP, Lehman RA, Lonner BS, Newton PO, Roye BD, Sponseller PD, Upasani VV, Harms Study Group., Cahill PJ

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.

Rady Children's updates the Doctor Finder annually. We are not responsible for omissions or errors. Prior to making an appointment, please be sure to check with your health plan to confirm coverage. If you see an error or omission on a physician's profile page, please contact us at refsvc@rchsd.org.