The Department of Orthopaedic Surgery and Rehabilitation

Professor and Chair
Orthopaedic Trauma

Dr. Gary’s areas of expertise include:

Orthopaedic Trauma
Complex Injuries of the Pelvis and Acetabulum
Malunion/Nonunion of Upper and Lower Extremities 

Education

2005: The University of Texas Southwestern Medical School, Dallas, TX. Degree awarded: Doctor of Medicine (MD) 

2001: Southern Methodist University, Dallas, TX. Degree awarded: Bachelor of Arts (BA) in Biological Sciences, magna cum laude

Postgraduate Training

2010-2011: Fellowship, Orthopaedic Traumatology, University of Maryland, R Adams Cowley Shock Trauma Center, Baltimore, MD

2006-2010: Residency, Orthopaedic Surgery, University of Texas Southwestern, Dallas, TX

2005-2006: Internship, General Surgery, University of Texas Southwestern, Dallas, TX

Board Certification

2013: American Board of Orthopaedic Surgery

Current Professional Appointments

Academic Appointments 

2026: Professor, Clinical Scholar, Chief of Orthopaedic Trauma Service. Orthopaedic Surgery, Keck School of Medicine of USC, Los Angeles, CA
2021-2025: Associate Professor, Clinical Scholar, Chief of Orthopaedic Trauma Service, METRC Site PI, Orthopaedic Surgery, Keck School of Medicine of USC, Los Angeles, CA
2019-2021: Co-Director, Clinical Research Unit, McGovern Medical School at UTHealth, Houston, TX
2013-2021: METRC Site PI, McGovern Medical School at UTHealth, Houston, TX
2016-2021:Associate Professor, Orthopaedic Surgery, McGovern Medical School at UTHealth, Houston, TX
2011-2016: Assistant Professor, Orthopaedic Surgery, The University of Texas Medical School at Houston, Houston, TX

Clinical Appointments

2021-2026: Attending Physician, Henry Mayo Newhouse Hospital, Valencia, CA
2021-2026: Attending Physician, Keck Hospital of USC, Los Angeles, TX
2021-2026: Attending Physician, Los Angeles County + USC Medical Center/Los Angeles General Medical Center, Los Angeles, CA
2011-2021: Attending Physician, Memorial Hermann Hospital, Texas Medical Center (TMC), Houston, TX

Committee Responsibilities

National

2012-2020: Public Relations Committee, Orthopaedic Trauma Association (OTA)
2013-Present: Steering Committee, METRC
2014-Present: Publications Committee, METRC
2015-2020: Research Committee, AO Trauma North America
2017-2019: Ex-Officio, Education Committee, OTA
2017-2021: Ad Hoc Member, Board of Directors, OTA
2017-Present: Executive Committee, METRC
2019-Present: Acute Resuscitation Delphi Resuscitation Panel, National Trauma Research Action Plan (NTRAP)
2020-2021: Chair Elect, Research Committee, AO Trauma North America
2020-Present: Fellowship Committee, OTA
2021-2024: AO Trauma Research Commission, AO Foundation
2021-2024: Board of Directors, AO Trauma North America
2021-2024: Research Committee, AO Trauma North America
2023-2025: Junior Board Member, Western Orthopaedic Association

Committee Responsibilities other than UTMB

McGovern Medical School

2011-2021: Orthopaedic Education Committee, Department of Orthopaedic Surgery
2012-2021: Resident Research Committee, Department of Orthopaedic Surgery
2017-2020: Faculty Compensation Committee
2019-2022: Research Committee
2019-2022: Clinical Research Unit Steering Committee

Keck School of Medicine 

2021-2026: Clinical Competency Committee
2022-2023: Search Committee, Chair of Ophthalmology
2023-2026: Revenue Cycle Governance Committee

LAC+USC Medical Center 

2021-2026: Operating Room Committee
2021-2026: Trauma Quality Improvement Committee

Memorial Hermann Texas Medical Center 

2015-2021: Transfer Committee
2016-2021: Infection Control Committee

Professional Memberships

2008-2014: Orthopaedic Trauma Association (Candidate Member)
2014-2015: American Academy of Orthopaedic Surgeons (Fellow)
2014-Present: Orthopaedic Trauma Association (Active Member)
2015-Present: American Academy of Orthopaedic Surgeons (Active Fellow)
2017-Present: American Orthopaedic Association (Active Fellow)

Honors

2026: Southern California Super Doctors, Southern California Magazine
2025: Southern California Super Doctors, Southern California Magazine
2025: Orthopaedic Research All-Stars, Avant-Garde Health
2025: Best Basic Science Podium, Orthopaedic Trauma Association
2025: Annual Meeting Highlight Podium, Orthopaedic Trauma Association
2024; Southern California Super Doctors, Southern California Magazine
2024: Orthopaedic Research All-Stars, Avant-Garde Health
2024: Gold Star Provider, USC Care (Fiscal Year 2023)
2024: “Health Care Hero,” Keck Medicine of USC
2023: Southern California Super Doctors, Southern California Magazine
2023: Elizabeth Winston Lanier Award, Kappa Delta Foundation
2023: “Best New Site” Award, Major Extremity Trauma and Research Consortium (METRC)
2022: Top Enrolling Center – UTH, Major Extremity Trauma and Research Consortium
2022: Highlight Paper, 2022 Orthopaedic Trauma Association Annual Meeting
2022: Best Fellow Abstract, 2022 Orthopaedic Trauma Association Annual Meeting
2021: Texas Super Doctors, Texas Monthly Magazine
2021: Houston Top Doctor, H Magazine
2020: Texas Super Doctors, Texas Monthly Magazine
2020: Dean’s Teaching Excellence, McGovern Medical School at UTHealth
2019: Texas Super Doctors, Texas Monthly Magazine
2019: Houston Top Doctor, H Magazine
2019: Dean’s Teaching Excellence, McGovern Medical School at UTHealth
2018: Travelling Fellow, American Orthopaedic Association/Japanese Orthopaedic Association
2018: Texas Super Doctors, Texas Monthly Magazine
2018: Houston Top Doctor, H Magazine
2018: Highlight Paper, Orthopaedic Trauma Association
2018: Dean’s Teaching Excellence, McGovern Medical School at UTHealth
2017: Texas Super Doctor Rising Star, Texas Monthly Magazine
2017: Houston Top Doctor, H Magazine
2017: Fellow, American Orthopaedic Association
2017: Dean’s Teaching Excellence, McGovern Medical School at UTHealth
2016: Top 10 Trauma Poster, American Academy of Orthopaedic Surgeons Annual Meeting
2016: Texas Super Doctor Rising Star, Texas Monthly Magazine
2016: Kathy Cramer Clinician Scholar, Career Development Award, ORS/OREF/AAOS New Investigators Workshop
2016: Houston Top Doctor, H Magazine
2016: Highlight Paper, Orthopaedic Trauma Association
2016: Dean’s Teaching Excellence, McGovern Medical School at UTHealth
2015: Texas Super Doctors Rising Star Texas Monthly
2015: Dean’s Teaching Excellence, McGovern Medical School at UTHealth
2015: 3rd Place, Poster Presentation, Western Orthopaedic Association Annual Meeting
2014: Houston’s Top Doctor H Magazine
2014: Highlight Paper Orthopaedic Trauma Association
2014: Dean’s Teaching Excellence McGovern Medical School
2013: Highlight Paper Orthopaedic Trauma Association
2011: Highlight Paper Orthopaedic Trauma Association
2005: Alpha Omega Alpha University of Texas Southwestern Medical School
2001: Phi Beta Kappa Southern Methodist University
2000-2001: Mortar Board Southern Methodist University
1997-2001: President’s Scholar Southern Methodist University
1997-2001: National Merit Scholar Southern Methodist University

Funded Research Grants

Current Grant Support

Number: Elizabeth Duckworth & Isaac Fernandez 25-26 Fellows – Granting Agency: Center for Orthopaedic Trauma Advancement
Title: “Long-Term Fellowship Program”
Principal Investigator: Gary (PI); Effort: 0%; Funding: $5,000; Period: 08/01/2025-07/31/2026

Number: 2025-2026 Fellowship – Granting Agency: AO Trauma
Title: “Long-Term Fellowship Training Grant”
Principal Investigator: Gary (PI); Effort: 0%; Funding: $25,000; Period: 08/01/2025-07/31/2026

Number: BPS-2024C1-37436 - Granting Agency: Patient-Centered Outcomes Research Institute
Title: “Comparing Arthroplasty and Internal Fixation for Reducing Death, Improving Ambulation, and Increasing Days at Home After Minimally Displaced Femoral Neck Fracture”
Principal Investigator: Patterson (PI); Effort: 5%; Funding: $10,815,845; Period: 05/01/2025-05/31/2031

Pending: 1

Past: 36

Additional Information

Editorial Board

2017-2021: Editor, Orthopaedic Trauma Association Newsletter
2026-Present: Deputy Editor, Journal of Orthopaedic Trauma

Journal Reviewer

2012-2025: Journal of Orthopaedic Trauma
2013-Present: Journal of Bone and Joint Surgery (JBJS)
2016-2017: Bone and Joint Research
2017-2023: Journal of the American Academy of Orthopaedic Surgeons (JAAOS)
2018: Journal of the Royal Army Medical Corps
2018: Journal of Knee Surgery
2022-Present: Injury

Published

Recent Peer-Reviewed Publications

1. Ross RC, Shabani S, Sakka B, Figueras J, Allen M, Lee J, Zalavras C, Shepherd L, Patterson JT, Gary JL. Does supine versus lateral position affect operative time and reduction quality for elderly intertrochanteric femur fractures? Eur J Orthop Surg Traumatol. 2026 Apr 15;36(1):171. doi: 10.1007/s00590-026-04739-5. PMID: 41984256; PMCID: PMC13083419. 
2. Major Extremity Trauma Research Consortium (METRC); O'Toole RV, O'Hara NN, Carlini AR, Schrank GM, Chung S, Gary JL, Obremskey W, Matuszewski PE, Teague D, Natoli RM, Gitajn IL, Weaver MJ, Renninger CH, Levack AE, Degani Y, Collins SC, Weston-Farber E, Howe AL, Thompson RE, Castillo RC, Karunakar MA, Blum L, Harmer L, Hsu JR, Kempton LB, Phelps KD, Seymour RB, Sims SH, Acharya MS, Callahan H, Chavez-Araujo LM, Churchill C, Gambuzza MP, Haim KR, Ishman E, Kendall JS, Mullis ND, Young C, Pilson HT, Carroll EA, Goodman JB, Holden MB, Jones AL, Moon C, Lin CA, Marecek GS, Moffitt GB, Conlan T, George AV, Fisher LA, Mullin DS, Recendez CL, Aneja A, Brameier DT, Heng M, Ly TV, Stenquist DS, Suneja N, Wignakumar T, Borgida JS, Policicchio TJ, Hanson GR, Alese OM, Ricci WM, Behrens SB, Dvorzhinskiy A, Bilodeau RE, Klinger CE, Mullis BH, Jang Y, Lopas LA, McKinley TO, O'Neill DC, Szatkowski JP, Virkus WW, Hill LC, Gaski G, Hymes RA, Ahn J, Goch AM, Holzman M, Malekzadeh AS, Schulman JE, Rivera JC, Krause PC, Bridgman C, Cohen J, Eikani C, Chavez M, Kudulis M, Warner SJ, Achor TS, Choo A, Eastman JG, Kellam PJ, Boutte SJ, Guevara KD, Reid KR, Vallier HA, Tucci AV, Davis JM, Bell AC, Bonyun ME, Healey K, Li V, McKibben NS, Nascone J, Okhuereigbe D, Sciadini MF, Slobogean G, Zingas N, Kovvur M, Lawrence JE, Phipps H, Rudnicki J, Turner KE, Hayda R, Evans AR, Quinnan S, Benitez A, Rehman S, Soderquist MC, Townsend CB, Caroom C, Collins AC, Okwumabua E, Shaikh HS, Spitler CA, Agarwal A, Johnson MD, Haller JM, Marchand LS, Alfonso NA, Gorman MA, Charlton WM, Scott BR, Kraus KM, Meredith SJ, Talwar S, Bergin PF, Jha AJ, McGee S, Nehete PV, Pryor TA, Spears I, Chen AT, Kelley B, Nez NR, Ertl WJ, Hull BR, Blumenthal S, Patterson JT, Flynn C, Ross RC, Agarwal A, Weiss DB, Hadeed MM, Yarboro SR, Daoud T, McVey ED, Whiting PS, Domes C, Goodspeed DC, Kuhn GR, Boyce R, Libos A, Mitchell PM, Moreno-Diaz AF, Ponce RB, Stinner DJ, Tatman LM, Velasco-Castro J, Trochez K, Satpathy J, Zuelzer DA, Potter BK. Intrawound Tobramycin Plus Vancomycin to Prevent Surgical Site Infection in Tibial Fractures: The TOBRA Randomized Clinical Trial. JAMA. 2026 May 12;335(18):1586-1595. doi: 10.1001/jama.2026.4023. PMID: 41984450; PMCID: PMC13084553. 
3. Shu HT, Hoveidaei AH, Reider LM, Vallier HA, Quinnan S, Gary JL, Carroll EA, Carlini AR, Higgins TF, Bosse MJ, Shafiq B, Tornetta P 3rd, O'Toole RV, Castillo RC; METRC (Major Extremity Trauma Research Consortium). Pain Outcomes Following Modern External Ring Fixation Compared with Internal Fixation for Severe Open Tibial Fractures: A Secondary Analysis of a Prospective Randomized Trial (FIXIT). J Bone Joint Surg Am. 2026 May 6;108(9):649-657. doi: 10.2106/JBJS.25.00964. Epub 2026 Mar 18. PMID: 41849563. 
4. Mayfield CK, O'Hara NN, Schneider PS, Castillo RC, O'Toole RV, Frey KP, Obremskey W, Stein DM, Firoozabadi R, Warner SJ, Karunakar MA, Gary JL. Thrombelastography as a Predictive Tool for Thromboembolic Events After Extremity Trauma: A Secondary Analysis of PREVENT-CLOT. JB JS Open Access. 2026 Feb 11;11(1):e25.00352. doi: 10.2106/JBJS.OA.25.00352. PMID: 41660374; PMCID: PMC12879966. 
5. O'Toole RV, Carlini AR, Schrank GM, O'Hara NN, Chung S, Gary JL, Obremskey W, Matuszewski PE, Teague D, Natoli RM, Degani Y, Collins SC, Howe AL, Thompson RE, Castillo RC. Topical antibiotic therapy to reduce infection after operative treatment of fractures at high risk of infection: TOBRA-a multicenter randomized controlled trial protocol. OTA Int. 2025 Dec 24;9(1):e459. doi: 10.1097/OI9.0000000000000459. PMID: 41451425; PMCID: PMC12737861. 
6. Patterson JT, Allen M, Satish V, Duong AM, Firoozabadi R, Gary JL. Occult contralateral sacroiliac joint injuries missed on single-energy CT of operative pelvis fractures. Injury. 2026 Feb;57(2):112952. doi: 10.1016/j.injury.2025.112952. Epub 2025 Dec 10. PMID: 41442901. 
7. Yoo JJ, Reider L, O'Hara NN, Bosse MJ, Gary JL, Morshed S, Potter BK, Quinnan SM, Castillo RC, Carlini AR, Firoozabadi R, Karunakar MA, O'Toole RV, Pensy RA; METRC. The Orthopaedic Trauma Association Open Fracture Classification Predicts Flap-Related Complications in Severe Open Tibial Fractures. J Orthop Trauma. 2026 Feb 1;40(2):63-67. doi: 10.1097/BOT.0000000000003096. PMID: 41065716. 
8. Natoli RM, Marchand LS, Bzovsky S, Hagen JE, Gage MJ, Stennett CA, O'Hara NN, Jeray KJ, Petrisor B, Sprague S, Slobogean GP; the FLOW Investigators; the PREP-IT Investigators; the FLOW Investigators and the PREP-IT Investigators  [Gary JL]. Infection and Nonunion Rates in Open Fractures: Description of 6,042 Fractures from the FLOW and PREP-IT Trials. J Bone Joint Surg Am. 2025 Nov 19;107(22):2541-2553. doi: 10.2106/JBJS.24.01055. Epub 2025 Nov 19. PMID: 41315040; PMCID: PMC12614385. 
9. Griffith K, Bregman D, Gary J, Stevanovic M. Delayed iatrogenic radial nerve palsy after proximal humerus open reduction-internal fixation: a case report. JSES Rev Rep Tech. 2025 Aug 7;5(4):1097-1100. doi: 10.1016/j.xrrt.2025.07.002. PMID: 41179434; PMCID: PMC12573506. 
10. Kumaran P, Wier J, Patterson JT, Lee J, Marecek G, Lee A, Gary JL. Percutaneous Anterior Pelvic Ring Fixation in Addition to Percutaneous Posterior Pelvic Ring Fixation Decreases Postoperative Pain and Narcotic Usage in Hospital for Lateral Compression Types 1 and Lateral Compression Type 2 Injuries. J Orthop Trauma. 2025 Nov 1;39(11):615-620. doi: 10.1097/BOT.0000000000003050. PMID: 40736243.