Minimally Invasive Surgery (MIS)

MIS Joint Replacement offers important advantages, requiring smaller incisions and potentially causing less trauma, shorter hospital stay, faster recovery and less scarring than traditional techniques.

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Partial Knee Resurfacing

Partial knee resurfacing (PKR) is a surgical procedure for relieving arthritis in one compartment of the knee. With PKR, only the damaged surface of the knee joint is replaced, helping to minimize trauma to healthy bone and tissue.

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Rotator Cuff Repair

A rotator cuff tear is a common cause of pain and disability among adults. A torn rotator cuff will weaken your shoulder. This means that many daily activities, like combing your hair or getting dressed, may become painful and difficult to do.

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Dr. Jon G. McLennan

Board Certified Orthopaedic Surgeon

The Orthopaedic Surgery and Sports Medicine office is committed to excellence in patient care, in an atmosphere of trust that is conducive to healing. State of the art surgical and medical techniques are used in the management, treatment and rehabilitation of maladies of the musculoskeletal system. Arthoscopic and minimally invasive techniques are utilized when applicable to shorten recovery, in conjunction with aggressive pain management and physical therapy. This demands a close physician-patient relationship to achieve superior outcomes. Dr. McLennan pays meticulous attention to detail before, during and after surgery so as to limit blood loss, promote healing and expedite recovery.


  • Undergraduate: University of Utah, Salt Lake City, UT, Oxford University, England (Certificate of Archaeology), University of Southern California, Los Angeles, CA
  • Medical: University of Illinois, Chicago, IL, Edinburgh University, School of Medicine, Deptartment of Infectious Disease, Scotland (exchange student), Harbor General Hosptal, Department of Orthopaedic Surgery, Torrance, CA (elective).


  • Medicine Internship: University of Southern California Medical Center, Los Angeles, CA
  • Orthopaedic Surgery Residency: University of Southern California Medical Center, Los Angeles, CA
  • Sports Medicine: Kerlan-Jobe Orthopedic Clinic, Inglewood, CA

Board Certification

  • National Board of Medical Examiners
  • American Board of Orthopaedic Surgery
  • Subspecialty Certificate in Orthopaedic Sports Medicine


  • American Medical Association Physician Recognition Award
  • 10th Annual H.W. Meyerding Award American Fracture Association

Faculty Appointment

  • Associate Professor: University of Nevada, Reno NV

Professional Affiliations

  • American Academy of Orthopaedic Surgeons
  • American Orthopaedic Foot and Ankle Society
  • American Orthopaedic Society of Sports Medicine
  • American College of Surgeons
  • Nu Sigma Nu


  • Dr. McLennan has authored over 25 publications, 6 book chapters, has been the facilitator for over 40 lectures and he has developed several surgical devices and techniques. Learn More »

Hospital Affiliations

Request an Appointment (760) 771-4900
Dr. Jon G. McLennan

Jon G. McLennan, MD

Dr. McLennan specializes in the treatment of a variety of orthopaedic conditions and performs several orthopaedic procedures including:

  • Minimally Invasive Surgery
  • Partial Knee Resufacing
  • Rotator Cuff Repair
  • General Orthopaedics
  • Hip Replacement
  • Knee Replacement
  • Shoulder Replacement
  • Sports Medicine