Derrick Knapik, MD

Assistant Professor, Orthopaedic Surgery

Division of Sports Medicine

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(314) 514-3500

Dr. Knapik specializes in treating all sports-related injuries of the knee and shoulder. He has special interests in orthobiologics, clinical and basic science research and patient-reported outcome metrics. Dr. Knapik has served as a team physician and taken care of athletes at the high school, collegiate and professional levels.

Common Diagnoses Treated

  • Knee
    • Knee fractures
    • Knee malalignment
    • Multiligamentous injuries
    • Patellar instability
    • Patellar and quadriceps tendon rupture
  • Shoulder
    • AC joint injuries
    • Biceps tendon injuries
    • Clavicle fractures
    • Frozen shoulder
    • Labral and SLAP tears
    • Rotator cuff injuries
    • Shoulder fracture
    • Scapulothoracic bursitis
    • Shoulder arthroscopy
    • Shoulder impingement
    • Shoulder instability

Common Procedures

  • ACL and revision ACL surgery
  • Cartilage restoration surgery
  • Meniscus surgery and transplantation
  • Patellofemoral surgery
  • PCL surgery

Clinical Office Locations

Hospital Affiliations

  • Barnes-Jewish Hospital 
  • Washington University and Barnes-Jewish Hospital Orthopedic Center

Academic Office Mailing Address

  • Washington University School of Medicine

    Campus Box 8233

    660 Euclid Avenue

    St. Louis, MO 63110

MyChart Patient Portal

Dr. Knapik has published over 80 peer-reviewed articles and book chapters. For a complete list of his peer-reviewed publications please click here.

Research Interests

Efficacy of orthobiologics, cartilage restoration outcomes, rotator cuff repair augmentation, and patient outcomes following sports-related injuries.

Background

Dr. Knapik earned his medical degree from The Ohio State University School of Medicine in Columbus, OH. He completed a residency in orthopaedic surgery from University Hospitals Cleveland Medical Center in Cleveland, OH, and then a fellowship in orthopaedic surgery sports medicine from Midwest Orthopaedics at Rush University in Chicago, IL. During his orthopaedic training, Dr. Knapik served as a team physician for numerous high school, college and professional sports teams and events. 

Board Certifications

  • Board-eligible, American Board of Orthopaedic Surgeons 

Medical Degree

  • The Ohio State University School of Medicine, Columbus, OH

Residency

  • Orthopaedic Surgery, University Hospitals Cleveland Medical Center, Cleveland, OH

Fellowship

  • Orthopaedic Surgery Sports Medicine, Midwest Orthopaedics at Rush University, Chicago, IL

Honors and Awards

  • Behrooz Akbarnia Scientific e-Poster Award, Pediatric Orthopaedic Society of North America, July 2020
  • Best Poster Award, Orthopaedic Research Society Tendon Section Conference, November 2018
  • Cleveland Akron Orthopaedic Society Resident Essay Contest, September 2018
  • Ohio Orthopaedic Society Annual Meeting Resident Research Contest, May 2018
  • Best Poster Selection (Pediatrics), American Academy of Orthopaedic Surgeons Annual Meeting, March 2018
  • Ohio Shoulder and Elbow Society Resident Essay Contest, January 2018
  • Young Investigator Award, American Academy of Pediatrics National Conference, September 2017
  • Best Paper Award, Limb Lengthening and Reconstruction 26th Annual Meeting, July 2017

Professional Societies and Organizations

  • American Orthopaedic Society for Sports Medicine, Resident Member
  • Arthroscopy Association of North America, Fellow Member
  • SIGN Fracture Care International
  • American Academy of Orthopaedic Surgeons
  • Mid-American Orthopaedic Association
  • Osteoarthritis Research Society International
  • American Medical Association

Team Physician Coverage

  • Associate Team Physician Chicago Steel, Chicago, IL, August 2020-Present
  • Associate Team Physician Chicago White Sox, Chicago, IL, August 2020-Present
  • Associate Team Physician Chicago Bulls, Chicago, IL, August 2020-Present
  • Associate Team Physician DePaul University Basketball, Chicago, IL, August 2020-Present
  • Associate Team Physician Chicago State Basketball, Chicago, IL, August 2020-Present
  • Associate Team Physician Hawken High School Varsity Football, Gates Mills, OH, August 2015-January 2020
  • Associate Team Physician Orange High School Varsity Football, Orange, OH, August 2018-December 2018
  • Associate Team Physician Hawken High School Varsity Wrestling, Gates Mills, OH, November 2015-January 2020
  • Associate Event Physician, Cleveland Marathon, Cleveland, OH, May 2016, May 2017, May 2018, May 2019
  • Associate Event Physician USA Triathlon National Championship, Cleveland, OH, August 2018
  • Associate Event Physician Hawken High School Invitational Wrestling Tournament, Gates
    Mills, OH, December 2015, December 2016, December 2017, February 2018, December 2018
  • Associate Event Physician UWW Cadet and University National Wrestling National Championships, Akron OH, June 2017
  • Associate Team Physician Burning River Roller Derby, Cleveland, OH, September 2016-October 2016
  • Associate Team Physician Cleveland Central Catholic Basketball, Cleveland, OH, November 2015-March 2016
  • Associate Team Physician Lake Erie College Varsity Football, Painesville, OH, October 2015-December 2015
  • Associate Team Physician Benedictine High School Varsity Football, Cleveland, OH, August 2015-November 2015
  • Associate Team Physician Cleveland Height High School Varsity Football, Cleveland Heights, OH, August 2014-October 2014
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