Orthopedic Surgery


Rady Children's Specialists of San Diego

Medical Group / IPA


Medical School

University of Massachusetts Medical School


University of California-San Francisco


University of California-San Francisco


Washington University

Board Certifications

Orthopedic Surgery




Michael Kelly, M.D., is the director of scoliosis and spinal deformities in the Division of Orthopedics & Scoliosis at Rady Children's Hospital-San Diego.

Prior to coming to Rady Children's, Dr. Kelly was an associate professor of orthopedic and neurological surgery, director of the fellowship in adult and pediatric spine surgery, and director of spine research at Washington University in St. Louis. He has conducted extensive research focused on improving the quality of care in patients with spinal deformities through both clinical and translational projects. He also has extensive experience in managing the most complex of adult and pediatric spinal deformities. He continues to perform research across the ages as a member of the International Spine Study Group (adult), the Harms Study Group (pediatrics), and the AO Spinal Deformity Knowledge Forum. He serves on the board of directors for Scoliosis Research Society.

Dr. Kelly received his medical degree from the University of Massachusetts Medical School and completed his orthopedic surgery residency at UC San Francisco. He later completed two spine fellowships, including the complex spinal deformity fellowship at Washington University in St. Louis. He has over 150 peer-reviewed publications focused on improving outcomes for pediatric and adult spine surgery.


Orthopedic disease burden in adult patients with symptomatic lumbar scoliosis: results from a prospective multicenter study
Smith JS, Shaffrey CI, Baldus CR, Kelly MP, Yanik EL, Lurie JD, Ames CP, Bess S, Schwab FJ, Bridwell KH

Multicenter assessment of outcomes and complications associated with transforaminal versus anterior lumbar interbody fusion for fractional curve correction
Buell TJ, Shaffrey CI, Bess S, Kim HJ, Klineberg EO, Lafage V, Lafage R, Protopsaltis TS, Passias PG, Mundis GM, Eastlack RK, Deviren V, Kelly MP, Daniels AH, Gum JL, Soroceanu A, Hamilton DK, Gupta MC, Burton DC, Hostin RA, Kebaish KM, Hart RA, Schwab FJ, Ames CP, Smith JS

Myelopathic Patients Undergoing Severe Pediatric Spinal Deformity Surgery Can Improve Neurologic Function to That of Non-Myelopathic Patients by 1-Year Postoperative
Cerpa M, Zuckerman SL, Lenke LG, Kelly MP, Yaszay B, Newton P, Sponseller P, Erickson M, Garg S, Pahys J, Samdani A, Cahill P, McCarthy R, Bumpass D, Sucato D, Boachie-Adjei O, Shah S, Gupta M

Modified Clavien-Dindo-sink classification system for adolescent idiopathic scoliosis
Guisse NF, Stone JD, Keil LG, Bastrom TP, Erickson MA, Yaszay B, Cahill PJ, Parent S, Gabos PG, Newton PO, Glotzbecker MP, Kelly MP, Pahys JM, Fletcher ND

Stratifying outcome based on the Oswestry Disability Index for operative treatment of adult spinal deformity on patients 60 years of age or older: a multicenter, multi-continental study on Prospective Evaluation of Elderly Deformity Surgery (PEEDS)
Nielsen CJ, Lewis SJ, Oitment C, Martin AR, Lenke LG, Qiu Y, Cheung KM, de Kleuver M, Polly DW, Shaffrey CI, Smith JS, Spruit M, Alanay A, Matsuyama Y, Jentzsch T, Rienmuller A, Shear-Yashuv H, Pellise F, Kelly MP, Sembrano JN, Dahl BT, Berven SH

Development of a library of laminin-mimetic peptide hydrogels for control of nucleus pulposus cell behaviors
Speer JE, Barcellona MN, Lu MY, Zha Z, Jing L, Gupta MC, Buchowski JM, Kelly MP, Setton LA

Comparison of cost and complication rates for profiling hospital performance in lumbar fusion for spondylolisthesis
Greenberg JK, Olsen MA, Dibble CF, Zhang JK, Pennicooke BH, Yamaguchi K, Kelly MP, Hall BL, Ray WZ

Defining a Surgical Invasiveness Threshold for Increased Risk of a Major Complication Following Adult Spinal Deformity Surgery
Neuman BJ, Harris AB, Klineberg EO, Hostin RA, Protopsaltis TS, Passias PG, Gum JL, Hart RA, Kelly MP, Daniels AH, Ames CP, Shaffrey CI, Kebaish KM

The odontoid-CSVL distance in a global population of asymptomatic volunteers: normative values and implications for spinal coronal alignment
Zuckerman SL, Sardar ZM, Lai CS, Marciano GF, Kerolus MG, Buchanan IA, Ha AS, Cerpa M, Kelly MP, Bourret S, Hasegawa K, Wong HK, Liu G, Hey HWD, Riahi H, Le Huec JC, Lenke LG

Translating Data Analytics Into Improved Spine Surgery Outcomes: A Roadmap for Biomedical Informatics Research in 2021
Greenberg JK, Otun A, Ghogawala Z, Yen PY, Molina CA, Limbrick DD Jr, Foraker RE, Kelly MP, Ray WZ

Predictors of serious, preventable, and costly medical complications in a population of adult spinal deformity patients
Alas H, Passias PG, Brown AE, Pierce KE, Bortz C, Bess S, Lafage R, Lafage V, Ames CP, Burton DC, Hamilton DK, Kelly MP, Hostin R, Neuman BJ, Line BG, Shaffrey CI, Smith JS, Schwab FJ, Klineberg EO

Operative versus nonoperative treatment for adult symptomatic lumbar scoliosis at 5-year follow-up: durability of outcomes and impact of treatment-related serious adverse events
Smith JS, Kelly MP, Yanik EL, Baldus CR, Buell TJ, Lurie JD, Edwards C, Glassman SD, Lenke LG, Boachie-Adjei O, Buchowski JM, Carreon LY, Crawford CH, Errico TJ, Lewis SJ, Koski T, Parent S, Lafage V, Kim HJ, Ames CP, Bess S, Schwab FJ, Shaffrey CI, Bridwell KH

Artificial intelligence clustering of adult spinal deformity sagittal plane morphology predicts surgical characteristics, alignment, and outcomes
Durand WM, Lafage R, Hamilton DK, Passias PG, Kim HJ, Protopsaltis T, Lafage V, Smith JS, Shaffrey C, Gupta M, Kelly MP, Klineberg EO, Schwab F, Gum JL, Mundis G, Eastlack R, Kebaish K, Soroceanu A, Hostin RA, Burton D, Bess S, Ames C, Hart RA, Daniels AH

Administrative Data Are Unreliable for Ranking Hospital Performance Based on Serious Complications After Spine Fusion
Greenberg JK, Olsen MA, Poe J, Dibble CF, Yamaguchi K, Kelly MP, Hall BL, Ray WZ

Patient-related and radiographic predictors of inferior health-related quality-of-life measures in adult patients with nonoperative spinal deformity
Passias PG, Alas H, Bess S, Line BG, Lafage V, Lafage R, Ames CP, Burton DC, Brown A, Bortz C, Pierce K, Ahmad W, Naessig S, Kelly MP, Hostin R, Kebaish KM, Than KD, Nunley P, Shaffrey CI, Klineberg EO, Smith JS, Schwab FJ

Impact of Spinal Deformity Characteristics on Patient-reported Outcome Measurement Information System Scores in Patients With Idiopathic Scoliosis Undergoing Posterior Spinal Fusion
Luhmann SJ, Kelly MP, Enata NH, Brouillet K, Etienne E, Kelly BA

Impact of New Motor Deficit on HRQOL After Adult Spinal Deformity Surgery: Subanalysis From Scoli Risk 1 Prospective Study
Saigal R, Lau D, Berven SH, Carreon L, Dekutoski MB, Kebaish KM, Qiu Y, Matsuyama Y, Kelly M, Dahl BT, Mehdian H, Pellis? F, Lewis SJ, Cheung KMC, Shaffrey CI, Fehlings MG, Lenke LG, Ames CP

Safety and efficacy of riluzole in patients undergoing decompressive surgery for degenerative cervical myelopathy (CSM-Protect): a multicentre, double-blind, placebo-controlled, randomised, phase 3 trial
Fehlings MG, Badhiwala JH, Ahn H, Farhadi HF, Shaffrey CI, Nassr A, Mummaneni P, Arnold PM, Jacobs WB, Riew KD, Kelly M, Brodke DS, Vaccaro AR, Hilibrand AS, Wilson J, Harrop JS, Yoon ST, Kim KD, Fourney DR, Santaguida C, Massicotte EM, Kopjar B

Patient-Reported Outcomes After Complex Adult Spinal Deformity Surgery: 5-Year Results of the Scoli-Risk-1 Study
Zuckerman SL, Cerpa M, Lenke LG, Shaffrey CI, Carreon LY, Cheung KMC, Kelly MP, Fehlings MG, Ames CP, Boachie-Adjei O, Dekutoski MB, Kabeaish KM, Lewis SJ, Matsuyama Y, Pellis? F, Qiu Y, Schwab FJ, Smith JS

Occipital-Cervical Fusion and Ventral Decompression in the Surgical Management of Chiari-1 Malformation and Syringomyelia: Analysis of Data From the Park-Reeves Syringomyelia Research Consortium
CreveCoeur TS, Yahanda AT, Maher CO, Johnson GW, Ackerman LL, Adelson PD, Ahmed R, Albert GW, Aldana PR, Alden TD, Anderson RCE, Baird L, Bauer DF, Bierbrauer KS, Brockmeyer DL, Chern JJ, Couture DE, Daniels DJ, Dauser RC, Durham SR, Ellenbogen RG, Eskandari R, Fuchs HE, George TM, Grant GA, Graupman PC, Greene S, Greenfield JP, Gross NL, Guillaume DJ, Haller G, Hankinson TC, Heuer GG, Iantosca M, Iskandar BJ, Jackson EM, Jea AH, Johnston JM, Keating RF, Kelly MP, Khan N, Krieger MD, Leonard JR, Mangano FT, Mapstone TB, McComb JG, Menezes AH, Muhlbauer M, Oakes WJ, Olavarria G, O'Neill BR, Park TS, Ragheb J, Selden NR, Shah MN, Shannon C, Shimony JS, Smith J, Smyth MD, Stone SSD, Strahle JM, Tamber MS, Torner JC, Tuite GF, Wait SD, Wellons JC, Whitehead WE, Limbrick DD

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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