Male colon & rectal surgery doctor headshot

James W. Thiele, MD, FACS, FASCRS

Colon & Rectal Surgery

About This Provider

Dr. Thiele provides comprehensive colon, rectal and endoscopic services for adolescent and adult patients. This includes colon resections and other procedures on the large and small intestines, including those afflicted with Crohn's disease. In addition, the full gamut of anorectal surgical expertise is available, including hemorrhoid, fissure and fistula treatment. Lower endoscopy, i.e. colonoscopy or flexible sigmoidoscopy, is available both from a diagnostic and therapeutic vantage. Dr. Thiele is specially trained in da Vinci robotic surgery for all aspects of colorectal disease.

Top 1% Patient Experience

This provider ranks in the top 1% nationally in patient experience, based on scores from the "Care Provider Overall" question on surveys completed with Press Ganey.

Patient Resources



  • Southern Illinois University School of Medicine, Springfield, IL


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


  • Colon and Rectal Surgery, Washington University School of Medicine, St. Louis, MO

Board Certifications

  • Colon and Rectal Surgery
  • Surgery

Professional Memberships

  • Society of Laparoendoscopic Surgeons
  • Illinois Chapter American College of Surgeons
  • Sangamon County Medical Society
  • Alpha Omega Alpha Honor Medical Society
  • Crohn's and Colitis Foundation
  • American Society of Colon and Rectal Surgeons
  • American Medical Association
  • Illinois Surgical Society
  • American College of Surgeons
  • American Society for Gastrointestinal Endoscopy
  • Illinois State Medical Society