Clifford Colwell Jr., MD

Started Practice: 1968

Scripps Clinic & Scripps Green Hospital Leadership Roles:

  • Director, Alfred A. and Marian E. Smith Joint Mechanics Laboratory
  • Director, Shiley Center for Orthopaedic Research and Education at Scripps Clinic

Teaching Roles:

  • Clinical Professor, University of California, San Diego School of Medicine, Department of Orthopaedics and Rehabilitation
  • Clinical Member, Department of Academic Affairs, Scripps Clinic
  • Adjunct Clinical Professor, Department of Basic Science and Clinical Research, The Scripps Research Institute
  • Director, Lower Extremity Reconstruction Fellowship Program, Division of Orthopaedic Surgery

Professional Societies:

  • American Medical Association
  • California Medical Association
  • San Diego County Medical Society
  • American Academy of Orthopaedic Surgeons
  • Association for Research in General Orthopaedics
  • Western Orthopaedic Association
  • California Orthopeadic Association, Inc.
  • Wilson-Bost Interurban Club
  • San Diego Rheumatism Society
  • Association of Bone and Joint Surgeons
  • Orthopaedic Research Society
  • Clinical Orthopaedics and Related Research, Board of Trustees
  • Knee Society
  • La Societe Internationale de Chirurgie Orthopaedique et de Traumatologie
  • American Association of Hip and Knee Surgeons
  • American Orthopaedic Society
  • American Orthopaedic Association
  • Hip Society
  • National Institutes of Health, Orthopaedic Research Grant Request Review
  • Department of Health & Human Services, National Institutes of Health, Data and Safety Monitoring Board (DSMB)

Board Membership:

  • YMCA Board of Directors

Honors & Awards:

  • Francis West, MD Award, University of California, San Diego School of Medicine – In recognition of outstanding contributions to resident education, 1991 & 1994
  • Knee Society Award – A Clinical Trial Comparing the Efficacy and Safety of Enoxaparin: A Low Molecular Weight Heparin and Unfractionated Heparin for the Prevention of Deep Venous Thrombosis after Elective Knee Replacement Surgery, 1995
  • Nicolas Andry Award – Venous Thromboembolic Disease Prophylaxis and Surveillance in Hip and Knee Arthroplasty. Awarded by the Association of Bone and Joint Surgeons and Clinical Orthopaedics and Related Research and based on a body of work dealing with the musculoskeletal system done over an extended time, 1997
  • The Spirit of Scripps Award, 1999
  • International Award for Basic Cartilage Research from the International Cartilage Repair Society (ICRS), 2000
  • HAP Paul Award- Tibial Forces Measured In Vivo after Total Knee Arthroplasty from the International Society for Technology in Arthroplasty (ISTA) for the best paper on the development of and/or the evaluation of new technology relating to joint replacement, 2004
  • Chitranjan Ranawat Award – In Vivo Knee Forces after Total Knee Arthroplasty from The Knee Society for the best work on surgical technique, 2004
  • Kappa Delta Award – Cartilage Injury Chondrocyte Apoptosis and Matrix Degradation: In Vitro, In Vivo and Clinical Consequences from the Orthopaedic Research Society (ORS) for outstanding basic research related to the musculoskeletal system, 2004
  • Best Paper Award – Dynamic Intraoperative Ligament Balancing for Total Knee Arthroplasty, from the Association of Bone and Joint Surgeons, 2006

Research Focus:

  • Lower extremity reconstruction

Clinical Interests Within Specialty:

  • Lower extremity reconstruction


  • Orthopaedic Surgery

Areas of Expertise

  • Orthopaedic Surgery

Board Certifications

  • American Board of Orthopaedic Surgery, Orthopaedic Surgery, 1970

Medical Education

  • University of Michigan Medical School, MD, 1962


  • University of Michigan Hospitals, General Surgery, 1963


  • Hospital for Special Surgery, Orthopaedic Surgery, 1967
  • University of Michigan Hospitals, General Surgery, 1964


  • Los Angeles County General Hospital, Surgical Critical Care, 1968