Stephen Southworth, M.D. Stephen Southworth, M.D. Hip and Knee Replacement Specialist

Stephen Southworth, M.D.

Hip and Knee Replacement Specialist
Spine/Rehabilitation Fellowship
Rancho Los Amigos - Downey, CA

Dr. Steve Southworth specializes in the treatment of hip and knee osteoarthritis. He is a board-certified orthopaedic surgeon offering non-surgical as well as surgical care of arthritis. He primarily concentrates in total hip replacement, knee replacement and ankle replacement. He also specializes in fracture care. He is a diplomate of the National Board of Medical Examiners.


  • Bachelor of Arts, 1979 - College of Wooster
  • Master of Science, 1981 - University of South Carolina
  • Doctor of Medicine, 1985 - Medical College of Ohio
  • Masters of Business Administration, 2013 - University of Tennessee


  • American Board of Orthopaedic Surgery, 1993; re-certified, 2000; recertified 2012
  • National Board of Medical Examiners, 1986
  • Advanced Trauma Life Support, Instructor, 2002 - Present
  • Basic Life Support, re-certified, 2000, 2011
  • American Association of Medical Review Officers, 1995

Professional Memberships

  • American Academy of Orthopaedic Surgeons (AAOS)
  • American College of Surgeons (FACS)
  • American Medical Association (AMA)
  • Association of Military Surgeons (AMSUS)
  • Mississippi Orthopaedic Society (MOS)
  • Shands Circle, OREF
  • Society of Military Orthopaedic Surgeons (SOMOS)