More from Dr. Yellin: Read a Q&A to get to know him.

Education and Training

Medical School

MD - University of Pennsylvania, Phila.,PA


Orthopaedic Surgery - Harvard Combined Orthopaedic Residency Program, Cambridge, MA (Chief Resident, Chief Education Resident)


Pediatric Orthopaedics - Children’s Hospital of Philadelphia, Philadelphia, PA
Orthopedic Sports Medicine - University of Pennsylvania, Philadelphia, PA

Titles and Academic Titles

Attending Orthopaedic Surgeon

Departments and Services




Gornitzky AL, England P, Kiani SN, Yellin JL, Flynn JM. Why Don’t Kids Wear Their Brace? A Prospective Study Investigating Psychosocial Characteristics That Predict Scoliosis Brace Wear. Journal of Pediatric Orthopaedics. 2022 Oct 5; Online ahead of print.

Kiani SN, Yellin JL, Houlihan NV, Talwar D, Shea KG, Ganley TJ. Trends in Pediatric ACL Reconstruction: The Impact of COVID-19. Journal of Athletic Training. 2022 March 10 Online ahead of print.

Yellin JL, Lu LY, Bauer AS, Duane J, Virtual Rotation Education Committee, Dyer GSM. Selecting the Next Class: The “Virtual Orthopaedic Rotation” JAAOS Global Research and Reviews. 2022 Jan;6(1)


Yellin JL, Fabricant PD, Anari JB, Neuwirth AL, Ganley TJ, Chauvin NA, Lawrence JT. Increased Glenoid Index as a Risk Factor for Pediatric and Adolescent Anterior Glenohumeral Dislocation: An MRI-Based Case-Control Study. Orthopaedic Journal of Sports Medicine. 2021 Mar;9(3)

Yellin JL, Parisien RL, Talathi NS, Farooqi AS, Kocher MS, Ganley TJ. Narrow Notch Width is a Risk Factor for Anterior Cruciate Ligament Injury in the Pediatric Population: A Multicenter Study. Arthroscopy, Sports Medicine, and Rehabilitation. 2021 Mar;3(3):e823-e828

Reyes A, Yellin JL, Von Keudell A. Closed Reduction Percutaneous Pinning Management of a Cuboid Fracture-Dislocation in a 70-Year-Old Man: A Case Report. Journal of Bone and Joint Surgery Case Connector. 2021 April;11(2)


Yellin JL, Striano BM, Waters PM, Dyer GSM. Education Disrupted by COVID-19? An Opportunity to Improve and Engage. Journal of the Pediatric Orthopaedic Society of North America (JPOSNA). 2020 Aug;2(2)


Roaten JD, Kelly DM, Yellin JL, Flynn JM, Cyr M, Garg S, Broom AM, Andras LM, Sawyer J. Pediatric Femoral Shaft Fractures: A Multicenter Review of the AAOS Clinical Practice Guidelines Before and After 2009. Journal of Pediatric Orthopaedics. 2019 Sep;39(8):394-399

Harris L, Arkader A, Broom A, Flynn JM, Yellin JL, Whitlock P, Miller A, Sawyer J, Roaten J, Skaggs DL, Choi PD. Pulseless Supracondylar Humerus Fracture with Anterior Interosseous Nerve or Median Nerve Injury – An Absolute Indication for Open Reduction? Journal of Pediatric Orthopaedics. 2019 Jan;39(1):e1-e7



Kiani SN, Yellin JL, Carter M, Houlihan NV, Stevens AC, Baghdadi S, Ganley TG. Femoral Nerve Catheters Versus Single-Injection for Pediatric ACL Reconstruction: Blocking Pain or Efficiency? Extended Abstract. University of Pennsylvania Orthopaedics Journal (UPOJ). 2022




Shea K, Polousky J, Yellin JL, Ho M, Ganley T, Styhl A. Knee Disorders in Children. In: Davids JR Section Ed. Pediatric Disorders. In: Chapman MW, James MA. Chapman’s Comprehensive Orthopaedic Surgery. (Volume 4). New Delhi, India: Jaypee Brothers Medical Publishers (P) Ltd; 2019:4985-5010


Yellin JL, Flynn JM. Operative Treatment of Femur Fractures Using Flexible IM Nails. In: Skaggs DL, Kocher MS, eds. Master Techniques in Orthopaedic Surgery: Pediatrics. 2nd ed. Philadelphia, PA: Lippincott Williams & Wilkins; 2016:83-95

Halawi MJ, Yellin JL, Ranawat A, Satpathy J, Golladay GJ, Lonner JH, Barsoum WK.  Unicompartmental, Patellofemoral, and Bicompartmental Knee Arthroplasty. In: Mont MA, Tanzer M, eds. Orthopaedic Knowledge Update: Hip and Knee Reconstruction 5. Rosemont, IL: American Academy of Orthopaedic Surgeons; 2016:149-162

Posters and Presentations


Yellin JL, Watkins IT, Feroe AG, Guevel B, Haber DB, Kocher MS. Differences in Management and Subsequent Outcomes of Patellar Sleeve Injuries: A Retrospective Case Series of 90 Pediatric and Adolescent Patients. EPoster Presentation.  Pediatric Research in Sports Medicine (PRiSM) Annual Meeting. February 2023: Denver, CO


England P, Yellin JL, Carter M, Guzek R, Ganley TJ, Maguire KJ. Tibial Spine Fracture vs. Anterior Cruciate Ligament Tear: Dynamic Risk Factors. Poster Presentation.  Pediatric Research in Sports Medicine (PRiSM) Annual Meeting. February 2023: Denver, CO. EPoster Presentation. Pediatric Orthopaedic Society of North America (POSNA) Annual Meeting. May 2022: Vancouver, BC, Canada. EPoster Presentation. International Pediatric Orthopaedic Symposium (IPOS) Annual Meeting. December 2021: Orlando, FL

Yellin JL, Ashebo L, Talwar D, McKay SD, Fabricant PD, Edmonds EW, Heyworth BE, Saper M, Joughin VE, Pacicca DM, Latz KH, Watson Mayer S, Souder CD, Lawrence JT, MEMO Study Group. Medial Epicondyle Fractures in the Pediatric and Adolescent Population - A Multicenter Prospective Analysis of Patient Demographics and Current Treatment Patterns. Podium Presentation. Pediatric Orthopaedic Society of North America (POSNA) Annual Meeting. May 2022: Vancouver, BC, Canada


Yellin JL, Tysklind RG, Hussain ZB, Zheng ET, Heyworth BE, Kocher MS. Prevalence and Clinical Features of Bilateral Osteochondritis Dissecans (OCD) of the Knee in Pediatric and Adolescent Patients Presenting with Unilateral Symptoms. EPoster Presentation. International Pediatric Orthopaedic Symposium (IPOS) Annual Meeting. December 2021: Orlando, FL. Scientific Poster Presentation. American Academy of Orthopaedic Surgeons (AAOS) Annual Meeting. August 2021: San Diego, CA. Scientific Poster Presentation. Pediatric Research in Sports Medicine (PRISM) Annual Meeting. January 2021: Virtual Platform

Awards and Honors

2015, Benjamin Fox Orthopaedic Research Scholar
2015,Young Investigator/Medical Student Presentation Award
2011, Summa Cum Laude, University of Pennsylvania
2011, Edward N. Pugh Jr. Award
2011, Graduated with Honors in the Major, University of Pennsylvania

Leadership and Memberships

Memberships in Professional Organizations

American Orthopaedic Society for Sports Medicine (AOSSM)
AOA Emerging Leaders Program
Arthroscopy Association of North America (AANA)
Pediatric Orthopaedic Society of North America (POSNA)
Pediatric Research in Sports Medicine (PRiSM)