Stephen Sizer, DO

Dr. Sizer is a fellowship-trained, board certified orthopaedic surgeon specializing in hip and knee replacement and revision surgery as well as other orthopaedic disorders.  He completed his residency in orthopaedic surgery at Philadelphia College of Osteopathic Medicine in Philadelphia, PA and followed with a fellowship in Adult Hip and Knee Arthroplasty at Scripps Clinic Adult Lower Extremity Reconstruction in La Jolla, CA.  

Dr. Sizer is a member of multiple professional societies including the American Academy of Orthopaedic Surgeons.

The joint replacement surgeons at Rothman Orthopaedics collectively perform over 17,000 hip and knee procedures each year in both an inpatient and outpatient capacity. They continue to lead the way in advanced technologies and procedures, providing our patients with the safest, most effective methods to get you back to what you were.  Services offered include:

Hip:

• Total Hip Replacement
• Anterior Hip Replacement
• Minimally Invasive Hip Replacement
• Rapid Recovery Hip Replacement
• Revision Hip Replacement
• Posterior Hip Replacement
• Computer Assisted Hip Replacement
• Robotic Hip Replacement
• Outpatient Total Hip Replacement
• Anterolateral Approach
• Direct Lateral Approach

Knee:

• Total Knee Replacement
• Partial Knee Replacement
• Revision Knee Replacement
• Minimally Invasive Knee Replacement
• Rapid Recovery Knee Replacement
• Computer Assisted Knee Replacement
• Robotic Knee Replacement
• Quad Sparing Knee Replacement
• Outpatient Total Knee Replacement