Dr. Kevin J. Peifer, M.D. joined Rockford Gastroenterology Associates, Ltd. in 2006 after completing Gastroenterology fellowship at the Wash-ington University School of Medicine/Barnes-Jewish Hospital in St. Louis, Missouri Dr. Peifer received his medical degree from the Medical College of Ohio and completed Internal Medicine residency and Gastroenterology fellowship at Barnes-Jewish Hospital. Dr. Peifer is board certified in Gastroenterology.
Dr. Kevin J. Peifer, M.D. joined Rockford Gastroenterology Associates, Ltd. in 2006 after completing Gastroenterology fellowship at the Wash-ington University School of Medicine/Barnes-Jewish Hospital in St. Louis, Missouri Dr. Peifer received his medical degree from the Medical College of Ohio and completed Internal Medicine residency and Gastroenterology fellowship at Barnes-Jewish Hospital. Dr. Peifer is board certified in Gastroenterology.
The reviews listed below were collected independently of Rockford Gastroenterology Associates through rater8. Each review represents an authentic and verified patient experience.
Great guy! Good Doc!
(1 week ago)
Jan-2026
I really appreciated the Care and Concern shown me during my visit . The procedure went well and I’m satisfied
(3 weeks ago)
Jan-2026
Fast appt. Couldn’t tell I even had endoscopy done.
(3 weeks ago)
Jan-2026
Professional
(1 month ago)
Dec-2025
He listened to my complaint. He gave a clear, concise and reasonable diagnosis and how to proceed. Excellent job.
(2 months ago)
Dec-2025
Kevin, Good listener, concern withh your well being! Rick Giddings
(2 months ago)
Dec-2025
Very welcoming and explained my procedure in detail
(2 months ago)
Dec-2025
Very professional
(2 months ago)
Nov-2025
Very professional
(2 months ago)
Nov-2025
Superb doctor who is always informative and willing to take his time. Greatly appreciated!
(3 months ago)
Oct-2025
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Rockford Gastroenterology Associates
401 Roxbury Road Rockford, IL 61107
Dr. Kevin J. Peifer, M.D. joined Rockford Gastroenterology Associates, Ltd. in 2006 after completing Gastroenterology fellowship at the Wash-ington University School of Medicine/Barnes-Jewish Hospital in St. Louis, Missouri Dr. Peifer received his medical degree from the Medical College of Ohio and completed Internal Medicine residency and Gastroenterology fellowship at Barnes-Jewish Hospital before undertaking a fellowship in advanced endoscopy with additional training in endoscopic ultrasound (EUS), endoscopic retrograde cholangiopancreatography (ERCP) and other advanced endoscopic procedures such as endoscopic mucosal resection (EMR). Dr. Peifer is board certified in Gastroenterology and maintains a special interest in liver, pancreas and biliary tract disease, as well as in EUS, ERCP and EMR.
Dr. Peifer is the Director of Endoscopy Lab at OSF St. Anthony Medical Center where he also holds positions on various Medical Staff leadership committees.
Dr. Peifer is a Clinical Assistant Professor of Medicine at the University of Illinois College of Medicine and a member of the American Gas-troenterological Association, the American Society for Gastrointestinal Endoscopy, the American College of Gastroenterology.
Great guy! Good Doc!
I really appreciated the Care and Concern shown me during my visit . The procedure went well and I’m satisfied
Fast appt. Couldn’t tell I even had endoscopy done.
Professional
He listened to my complaint. He gave a clear, concise and reasonable diagnosis and how to proceed. Excellent job.
Kevin, Good listener, concern withh your well being! Rick Giddings
Very welcoming and explained my procedure in detail
Very professional
Very professional
Superb doctor who is always informative and willing to take his time. Greatly appreciated!