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Diane C. Hillard-Sembell, MD


About This Provider

Dr. Diane Hillard-Sembell is board certified in Orthopaedic Surgery and Orthopaedic Sports Medicine. Her specialties include sports medicine, ACL surgery, ACL tears, arthroscopy, cartilage repair, cartilage replacement, knee replacement, and more.

Top 10% Patient Experience

This provider ranks in the top 10% nationally in patient experience, based on scores from the "Care Provider Overall" question on surveys completed with Press Ganey.



  • Southern Illinois University School of Medicine, Springfield, IL


  • Orthopaedic Surgery, Southern Illinois University School of Medicine, Springfield, IL


  • Sports Medicine, University of California San Diego School of Medicine, San Diego, CA

Board Certifications

  • Orthopaedic Surgery
  • Orthopaedic Sports Medicine

Professional Memberships

  • American Academy of Orthopaedic Surgeons
  • Sangamon County Medical Society
  • Arthroscopy Association of North America
  • American Medical Association
  • American Orthopaedic Society for Sports Medicine
  • Illinois State Medical Society