Information for Patients and Visitors of Rockford Gastroenterology about Online Bill Pay Fraud:

Kevin Peifer MD

Kevin J. Peifer, M.D.

Kevin Peifer MD

Dr. Kevin J. Peifer 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.

  • Conditions Dr. Peifer treats:

    • Abnormal Liver Tests
    • Anemia
    • Acid Reflux/Heartburn/GERD
    • Barrett’s Esophagus
    • Biliary Tract Disorders
    • Celiac Disease
    • Chronic Liver Disease, including Cirrhosis
    • Colon Cancer Prevention
    • Colon Polyps
    • Constipation
    • Clostridium Difficile Infection
    • Crohn's Disease
    • Diarrhea
    • Esophageal Disorders including Dysphagia (trouble swallowing)
    • Fecal Incontinence & Urgency
    • Fatty Liver (NAFLD/NASH)
    • Gallstones & Gallbladder Disease
    • Hepatitis B & Hepatitis C
    • Hemorrhoids
    • Hiatal Hernia
    • Helicobacter Pylori Infection
    • Irritable Bowel Syndrome (IBS)
    • Inflammatory Bowel Disease (Crohn’s Disease or Ulcerative Colitis)
    • Pancreatitis (Acute & Chronic)
    • Pancreatic Cysts & Mass
    • Peptic Ulcer Disease (Stomach Ulcers)
    • Radiation Proctitis
    • Rectal bleeding
    • Small Intestinal Bacterial Overgrowth (SIBO)
    • Ulcerative Colitis

    Procedures Dr. Peifer performs:

    • Upper Endoscopy (EGD)
    • Colonoscopy
    • Flexible Sigmoidoscopy
    • Endoscopic Ultrasound
    • Endoscopic Retrograde Cholangiopancreatography (ERCP)
    • Endoscopy for Gastrointestinal Bleeding
    • Ambulatory pH Monitoring (Bravo© pH)
    • Argon Plasma Coagulation (APC)
    • Fecal Microbiota Transplant (FMT) for Chronic C. Difficile Infection
    • PEG Tube Placement (Endoscopic Feeding Tube)
    • Video Capsule Endoscopy (VCE) of the Small Intestine