Matt Callahan, MBA
Chief Administrative Officer
Orthopaedic Surgery
School of Medicine

Education & Training

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• MBA San Diego State University 2008
• BS Finance San Diego State University 2006

Publications (15)

Top publication keywords:
Lumbar VertebraeSurgical InstrumentsArtificial LimbsVancomycinPatient ReadmissionAmputeesSpinePostoperative ComplicationsOsseointegrationIntervertebral Disc DisplacementBone LengtheningProsthesis ImplantationSpinal FusionPatient DischargeEfficiency, Organizational

• Incidence of amputees who could benefit from an osseointegrated prosthesis.
  Prosthetics and orthotics international 2025 Young A, Murray K, Movassaghi K, Carrasco A, Callahan M, Wustrack R, Zimel M
• Predicting Recovery Following Total Hip and Knee Arthroplasty Using a Clustering Algorithm.
  Arthroplasty today 2024 Halvorson RT, Torres-Espin A, Cherches M, Callahan M, Vail TP, Bailey JF
• Multi-domain biopsychosocial postoperative recovery trajectories associate with patient outcomes following lumbar fusion.
  European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society 2023 Halvorson RT, Torres-Espin A, Callahan M, Tay B, O'Neill C, Berven S, Lotz JC, Bailey JF
• Risk factors for extended length of stay and non-home discharge in adults treated with multi-level fusion for lumbar degenerative pathology and deformity.
  Spine deformity 2022 Arora A, Wague A, Srinivas R, Callahan M, Peterson TA, Theologis AA, Berven S
• Predictive models to assess risk of extended length of stay in adults with spinal deformity and lumbar degenerative pathology: development and internal validation.
  The spine journal : official journal of the North American Spine Society 2022 Arora A, Demb J, Cummins DD, Callahan M, Clark AJ, Theologis AA

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• What Factors Correlate With Length of Stay and Readmission After Limb Lengthening Procedures? A Large-database Study.
  Clinical orthopaedics and related research 2022 Mittal A, Allahabadi S, Jayaram R, Nalluri A, Callahan M, Sabharwal S
• 5-Year Revision Rates After Elective Multilevel Lumbar/Thoracolumbar Instrumented Fusions in Older Patients: An Analysis of State Databases.
  The Journal of the American Academy of Orthopaedic Surgeons 2022 Cummins DD, Callahan M, Scheffler A, Theologis AA
• Lower Neurological Risk with Anterior Operations Compared to Posterior Operations for Thoracic Disc Herniations: Analysis of 697 Patients.
  Spine 2022 Cummins D, Callahan M, Clark AJ, Theologis AA
• Rates of readmission and reoperation after operative management of midshaft clavicle fractures in adolescents.
  World journal of orthopedics 2021 Carrillo LA, Wu HH, Chopra A, Callahan M, Katyal T, Swarup I
• Rates of Operative Management of Midshaft Clavicle Fracture in Adolescents Have Increased in Florida between 2005 and 2014.
  HSS journal : the musculoskeletal journal of Hospital for Special Surgery 2021 Wu HH, Chopra A, Carrillo LA, Callahan M, Swarup I
• Rates and risk factors associated with 30- and 90-day readmissions and reoperations after spinal fusions for adult lumbar degenerative pathology and spinal deformity.
  Spine deformity 2021 Taliaferro K, Rao A, Theologis AA, Cummins D, Callahan M, Berven SH
• Reoperation and Mortality Rates Following Elective 1 to 2 Level Lumbar Fusion: A Large State Database Analysis.
  Global spine journal 2021 Cummins D, Hindoyan K, Wu HH, Theologis AA, Callahan M, Tay B, Berven S
• Implementing a perioperative efficiency initiative for orthopedic surgery instrumentation at an academic center: A comparative before-and-after study.
  Medicine 2019 Capra R, Bini SA, Bowden DE, Etter K, Callahan M, Smith RT, Vail TP
• Economic Impact of Revision Surgery for Proximal Junctional Failure After Adult Spinal Deformity Surgery: A Cost Analysis of 57 Operations in a 10-year Experience at a Major Deformity Center.
  Spine 2016 Theologis AA, Miller L, Callahan M, Lau D, Zygourakis C, Scheer JK, Burch S, Pekmezci M, Chou D, Tay B, Mummaneni P, Berven S, Deviren V, Ames CP
• Local intrawound vancomycin powder decreases the risk of surgical site infections in complex adult deformity reconstruction: a cost analysis.
  Spine 2014 Theologis AA, Demirkiran G, Callahan M, Pekmezci M, Ames C, Deviren V