Man wearing a white doctors coat smiling in a well lit patient room.

Steven D. O'Marro, MD

Infectious Diseases & Travel Medicine

About This Provider

Dr. O'Marro provides comprehensive diagnosis and treatment for patients with infectious diseases and has special interest in clinical research, travel medicine, wound care, hyperbaric medicine and diving medicine, transplant infectious diseases and hospital epidemiology.



  • University of Wisconsin, Madison, WI


  • Internal Medicine, Medical College of Wisconsin, Milwaukee, WI


  • Infectious Diseases, University of Pittsburgh School of Medicine, Pittsburgh, PA

Board Certifications

  • Infectious Disease
  • Internal Medicine

Professional Memberships

  • Sangamon County Medical Society
  • American College of Physicians
  • Infectious Diseases Society of America
  • Undersea and Hyperbaric Medicine Society
  • Society for Healthcare Epidemiology of America, Inc.
  • International Society of Travel Medicine
  • Southern Illinois Medical Association
  • Illinois State Medical Society
  • American Medical Association