Dr. Marshall

J. Stephen Marshall, MD

Specialty: General Surgery

About Dr. Marshall


Dr. Stephen Marshall received his undergraduate degree from the University of Illinois at Urbana-Champaign and his doctorate of medicine from Southern Illinois University in Springfield. He completed a surgical internship and began a general surgery residency at the University of Illinois College of Medicine at Peoria (UICOMP) and completed his general surgery residency at the Rush-Presbyterian-St. Luke’s Medical Center in Chicago.

Diverse Proficiency

Board certified by the American Board of Surgery, Dr. Marshall is a highly competent surgeon who performs a wide range of general surgery procedures. With a special interest in bariatric medicine, Dr. Marshall was instrumental in establishing a Bariatric Surgery Center of Excellence in Peoria. He is skilled in Gastric Bypass and Laparoscopic Duodenal Switch procedures.

In addition, Dr. Marshall is experienced in Trauma and Critical Care, and he has received a Certificate of Added Qualifications in Surgical Critical Care. He also holds membership in various surgical societies and is on active staff at all three Peoria hospitals. He recently served as President of the Illinois Surgical Society.


Originally from Serena, Illinois, Dr. Marshall resides in Peoria with his wife Michele who is actively involved in various organizations. They have five children.

  • Sub-Specialties
    Bariatric — Gastric Bypass
    Bariatric — Open Duodenal Switch
    Trauma & Surgical Critical Care
  • Education
    MD — Southern Illinois University, Springfield
    Surgical Internship and Residency — University of Illinois College of Medicine at Peoria (UICOMP)
    General Surgery Residency — Rush-Presbyterian-St. Luke’s Medical Center, Chicago
  • Academic Appointment
    Trauma Chief, OSF Saint Francis Medical Center
    Associate Professor of Clinical Surgery, UICOMP
    Chief, Section of Trauma, UICOMP
    Director of the Trauma M & M Case Conference, UICOMP
  • Honors
    Faculty Teaching Award, UICOMP Department of Surgery, 1990, 1991, 1997, 2001