Ian C. Grimes, MD close
Ian C. Grimes, MD

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Ian C. Grimes, MD Print Friendly Page

Faculty, University of Wisconsin School of Medicine and Public Health

Dr. Grimes medical interests include inflammatory bowel disease, transition of care from pediatric to adult care for patients with inflammatory bowel disease, pre- and post-operative care of patients with inflammatory bowel disease,  and colon cancer screening.


Gastroenterology and Hepatology


Inflammatory Bowel Disease


Digestive Health Center
(608) 890-5000 | (855) 342-9900 | Map
Digestive Health Center
(608) 890-5000 | (855) 342-9900 | Map

UW School of Medicine and Public Health

Department of Medicine

Professional Certifications and Education

Board Certification Gastroenterology
Internal Medicine

Gastroenterology and Hepatology, University of Wisconsin Hospital and Clinics, Madison, WI

Residency University of Wisconsin Hospital and Clinics, Madison, WI
Medical School Southern Illinois University School of Medicine, Springfield, IL

Medical interpreters are available to help patients communicate with hospital and clinic staff. For more information, please contact interpreter services at (608) 262-9000.

Dr. Grimes' research interests include inflammatory pathways to colon cancer, colorectal cancer tumor biology, early identification of Lynch Syndrome through polyp markers, and colonoscopic quality measures.

PubMed Articles
Caldera F Hillman L Saha S Wald A Grimes I Zhang Y Sharpe AR Reichelderfer M Hayney MS Immunogenicity of High Dose Influenza Vaccine for Patients with Inflammatory Bowel Disease on Anti-TNF Monotherapy: A Randomized Clinical Trial. Inflamm Bowel Dis . 2020 Mar 4;26(4):593-602
[PubMed ID: 31504526]
Megna B Weiss J Ley D Saha S Pfau P Grimes I Li Z Caldera F Clear liquid diet before bowel preparation predicts successful chromoendoscopy in patients with inflammatory bowel disease. Gastrointest Endosc . 2019 Feb;89(2):373-379.e2
[PubMed ID: 30339950]
Nelsen EM Lochmann-Bailkey A Grimes IC Benson ME Gopal DV Pfau PR Low Yield and High Cost of Gastric and Duodenal Biopsies for Investigation of Symptoms of Abdominal Pain During Routine Esophagogastroduodenoscopy. Dig Dis Sci . 2017 Feb;62(2):418-423
[PubMed ID: 27995399]
Nelsen EM Laine J Grimes IC Gastrointestinal: A rare complication of esophageal band ligation. J Gastroenterol Hepatol . 2016 Dec;31(12):1915
[PubMed ID: 27163510]
Hadac JN Miller DD Grimes IC Clipson L Newton MA Schelman WR Halberg RB Heterochromatin Protein 1 Binding Protein 3 Expression as a Candidate Marker of Intrinsic 5-Fluorouracil Resistance. Anticancer Res . 2016 Mar;36(3):845-52
[PubMed ID: 26976970]
Bacher JW Sievers CK Albrecht DM Grimes IC Weiss JM Matkowskyj KA Agni RM Vyazunova I Clipson L Storts DR Thliveris AT Halberg RB Improved Detection of Microsatellite Instability in Early Colorectal Lesions. PLoS One . 2015;10(8):e0132727
[PubMed ID: 26252492]
Benson M Grimes I Gopal D Reichelderfer M Soni A Benson H Austin K Pfau P Influence of previous night call and sleep deprivation on screening colonoscopy quality. Am J Gastroenterol . 2014 Aug;109(8):1133-7
[PubMed ID: 24980883]
Caldera F Grimes I Soni A Reactivation of latent tuberculosis in a Crohn's patient after TB prophylaxis treated with adalimumab. Am J Gastroenterol . 2013 Jul;108(7):1181-2
[PubMed ID: 23821003]
Grimes IC Spier BJ Swize LR Lindstrom MJ Pfau PR Predictors of recurrent ingestion of gastrointestinal foreign bodies. Can J Gastroenterol . 2013 Jan;27(1):e1-4
[PubMed ID: 23378983]
Grimes IC Einarsson S Spier BJ Reichelderfer M Mercury ingestion retrieved by colonoscopy. Gastrointest Endosc . 2009 Sep;70(3):559-60; discussion 560
[PubMed ID: 19555945]