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Justin Kosirog, M.D.


(Reviews Coming Soon)

745 Fletcher Dr Ste 202

Elgin, IL 60123

Closed. Opens Mon at 8:15AM

Quick Facts

  • Colon Cancer Screenings
  • IBD, Crohn’s Disease, Ulcerative Colitis
  • Acid Reflux/Heartburn
  • Expert Endoscopy and Colonoscopy
  • Currently Accepting New Patients
  • Most Insurance Plans Accepted

Elgin, IL

Gastroenterology in Elgin, IL

Elgin, IL

745 Fletcher Dr

Ste 202

Elgin, IL 60123

Closed. Opens Mon at 8:15AM

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About Justin Kosirog, M.D.

Why Gastroenterology?

I have a family member with celiac disease which for first piqued my interest in the field of gastroenterology. From there, I grew to love all the different disease processes including IBD, liver pathology, and celiac disease to name a few. I also love performing endoscopy. I am also board certified in Emergency Medicine and have an interest in emergent procedures for GI bleeding, food bolus, sigmoid volvulus, etc.

What Can Patients Expect?

Patients can expect a physician who cares for the individual and who treats all individuals with respect and kindness and is thorough and diligent.


  • Undergraduate Degree: Bachelor of Science in Biology from Baylor University
  • Medical Degree: Medical Doctorate from the University of Illinois Chicago
  • Medical Residency: Internal Medicine/Emergency Medicine Residency at University of Illinois in Chicago (Chief Resident in 2019-2020)
  • Medical Fellowship: The University of Oklahoma Health Sciences Center (Chief Fellow in 2022-2023)

Awards & Recognitions

  • Outstanding Senior award-Baylor's Department of Biology
  • Graduated Magna Cum Laude from Baylor University
  • Graduated with Honors from University of Illinois Chicago College of Medicine
  • 2019 Recipient of the CARE award at UI health
  • Resident of the month (11/2018)

Professional Affiliations

  • American College of Gastroenterology
  • American Society for Gastrointestinal Endoscopy