Thomas O'Connor, M.D.


  • Silver Cross Health Connection

Call 815-362-7051

Accepting new patients.

Dr. O’Connor  attended Northwestern University Medical School in Chicago, Illinois where he received a Doctor of Medicine. After medical school, he completed his post graduate training at the University of Iowa Hospitals and Clinics in Iowa City, Iowa . He finished his medical training with the completion of a fellowship at the same facility.   Dr. O’Connor is board certified in Gastroenterology. He is a member of the American College of Gastroenterology, American Gastroenterology Association, American Society of Gastrointestinal Endoscopy, American College of Physicians, Illinois State Medical Society and Kankakee Medical Society.   His professional appointments are as follows: Clinical Assistant Professor of Medicine at Midwestern University, Downers Grove, IL - 2010 - Present, National Board of Examiners, Diplomat American Board of Internal Medicine (Gastroenterology) - 2005, and Diplomat American Board of Internal Medicine - 2003.

Contact Information

Digestive Disease Consultants






Year began practicing: 1993

Year joined staff: 2013

Board Certified

  • Gastroenterology
  • Internal Medicine

Accepted Insurance


Other Specialties

  • Gastroenterology
  • Internal Medicine

Accepting Referrals

  • Gastroenterology
  • Internal Medicine

Physicians on Silver Cross Hospital’s Medical Staff have expertise in their areas of practice to meet the needs of patients seeking their care. These physicians are independent practitioners on the Medical Staff and are not the agents or employees of Silver Cross Hospital. They treat patients based upon their independent medical judgment and they bill patients separately for their services.