Dr. Aaron Shiels, M.D. joined Rockford Gastroenterology Associates in 2004, and currently serves as Managing Partner. He is a board-certified Gastroenterologist and received his medical degree from Washington University School of Medicine in St. Louis where he also completed his Internal Medicine Residency and Gastroenterology Fellowship. As a Gastroenterology Fellow, Dr. Shiels received specialized training in diseases of the liver, pancreas, and biliary tract, including diagnostic and therapeutic ERCP.
Dr. Aaron Shiels, M.D. joined Rockford Gastroenterology Associates in 2004, and currently serves as Managing Partner. He is a board-certified Gastroenterologist and received his medical degree from Washington University School of Medicine in St. Louis where he also completed his Internal Medicine Residency and Gastroenterology Fellowship. As a Gastroenterology Fellow, Dr. Shiels received specialized training in diseases of the liver, pancreas, and biliary tract, including diagnostic and therapeutic ERCP.
The reviews listed below were collected independently of Rockford Gastroenterology Associates through rater8. Each review represents an authentic and verified patient experience.
I just met him for the first time, but he treated me with all due respect a Doctor and explained everything I needed to know about my procedure today. Thank You Dr. Sheila
(4 days ago)
Mar-2026
Very professional.
(1 week ago)
Mar-2026
Everyone was very professional and helpful in making sure I was comfortable and ready for my procedure.
(1 week ago)
Mar-2026
I appreciated his bedside manner. very easy to talk with. He made me feel very comfortable in an uncomfortable situation.
(1 week ago)
Mar-2026
Dr. Shiels is very professional, knowledgeable, helpful, caring and friendly. Thank you!
(3 weeks ago)
Feb-2026
Very warm and caring
(1 month ago)
Feb-2026
Thank you
(1 month ago)
Feb-2026
Very thorough. Seth.
(1 month ago)
Feb-2026
Dr. Shiels was very attentive and very kind, explained everything about procedure, findings and optional treatments.
(1 month ago)
Feb-2026
Explained everything with good detail.
(1 month ago)
Feb-2026
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Rockford Gastroenterology Associates
401 Roxbury Road Rockford, IL 61107
Dr. Aaron Shiels, M.D. joined Rockford Gastroenterology Associates in 2004, and currently serves as Managing Partner. He is a board-certified Gastroenterologist. Dr. Shiels received his medical degree from Washington University School of Medicine in St. Louis where he also completed his Internal Medicine Residency and Gastroenterology Fellowship. As a Gastroenterology Fellow, Dr. Shiels received specialized training in diseases of the liver, pancreas, and biliary tract, including diagnostic and therapeutic ERCP. He participated in research projects studying biliary complications after liver transplant surgery and complications following bariatric surgery for morbid obesity.
At the University of Illinois College of Medicine at Rockford, Dr. Shiels holds the title of Clinical Assistant Professor of Medicine, is the Director of the Gastroenterology Curriculum, and serves on the Medical Executive Committee. He has received numerous teaching awards from the medical school, including the Golden Apple.
Dr. Shiels advocates for our GI patients on a national level, serving on the American Society of Gastrointestinal Endoscopy (ASGE) Health and Public Policy Committee and participating in regular visits to senators and representatives offices on Capitol Hill. He is also a member of the American Gastroenterological Association and American College of Gastroenterology.
Dr. Shiels maintains an interest in pancreatic disease, biliary disease, and liver disease including treatment of hepatitis C and has presented on hepatitis C at local and regional meetings. His hobbies include golf, running, and spending time with his family.
I just met him for the first time, but he treated me with all due respect a Doctor and explained everything I needed to know about my procedure today. Thank You Dr. Sheila
Very professional.
Everyone was very professional and helpful in making sure I was comfortable and ready for my procedure.
I appreciated his bedside manner. very easy to talk with. He made me feel very comfortable in an uncomfortable situation.
Dr. Shiels is very professional, knowledgeable, helpful, caring and friendly. Thank you!
Very warm and caring
Thank you
Very thorough. Seth.
Dr. Shiels was very attentive and very kind, explained everything about procedure, findings and optional treatments.
Explained everything with good detail.