Gastroenterology
Justin Kosirog, MD
Gastroenterology
Elgin, IL
Dr. Justin Kosirog, MD, is a gastroenterologist practicing in Elgin and South Elgin, Illinois, with a subspecialty focus on pancreatic disease, esophageal disorders, inflammatory bowel disease (IBD), liver pathology, and celiac disease. His interest in gastroenterology was sparked by a family member with celiac disease, leading him to develop expertise in a broad spectrum of digestive conditions. He serves adult patient populations, including those requiring emergent interventions for GI bleedin
11+
Years in Practice
Credentials
Board Certifications
- Internal Medicine (unspecified)
- Gastroenterology (unspecified)
- Emergency Medicine (self-reported)
Education & Training
- Medical School: University of Illinois College of Medicine (MD, 2015)
- Residency: University of Illinois at Chicago (Internal Medicine/Emergency Medicine, 2020)
- Fellowship: University of Oklahoma Health Sciences Center (Gastroenterology, 2023)
Peer Recognition
- Castle Connolly — Top Doctor
2024-2026 (3 years)
2024
- Healthgrades — Healthgrades Honor Roll
Clinical Focus
Subspecialties
Colorectal Cancer Screening
Conditions & Treatments
Inflammatory Bowel DiseaseColorectal CancerPancreatitisBile Duct DiseaseGERDColonoscopyAdvanced EndoscopyCrohn
Practice Details
Hospital Affiliations
- Aurora Health
- Advocate Sherman Hospital
- Ascension Saint Mary - Chicago
Languages
English
Experience
11+ years in practice