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  • Gastroenterology, Internal Medicine
  • 41 years of experience
  • Mayo Clinic Health System Digestive Care 1221 Whipple St Fl 5, Eau Claire, WI 54703
  • (715) 838-6020

Brief Intro

Dr. Derfus graduated from the Medical College of Wisconsin in 1984. He works in Eau Claire, WI and 3 other locations and specializes in Gastroenterology and Internal Medicine. Dr. Derfus is affiliated with Mayo Clinic Health System.

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Education Background

MEDICAL SCHOOL

Medical College Of Wisconsin - 1984

Languages Spoken

  • English
  • Spanish

Location & Hours

  • Mayo Clinic Health System Digestive Care
  • 1221 Whipple St Fl 5, Eau Claire, WI 54703
  • Mon:8:00 am - 5:15 pm
    Tue:8:00 am - 5:15 pm
    Wed:8:00 am - 5:15 pm
    Thu:8:00 am - 5:15 pm
    Fri:8:00 am - 5:15 pm
    Sat:Closed
    Sun:Closed

Specialties Treated

  • Gastroenterology
  • Internal Medicine

Conditions Addressed

  • Celiac Disease
  • Hemorrhoids
  • Cholelethiasis or Cholecystitis
  • Anal Fissure
  • Inflammatory Bowel Disease (IBD)
  • Irritable Bowel Syndrome (IBS)
  • Diverticulitis
  • Intestinal Obstruction
  • Cirrhosis
  • Gastritis and Duodenitis
  • Constipation
  • Peptic Ulcer Disease
  • Pancreatic Cancer
  • Malignant Neoplasm of Colon
  • Gastroesophageal Reflux Disease (GERD)
  • Esophagitis
  • Gastrointestinal Hemorrhage
  • Benign Polyps of the Colon
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Insurance Accepted

* Insurance information may change frequently. Please verify directly with the provider (doctor/clinic).

  • WPS Health Plan
  • Dean Health Plan
  • PreferredOne
  • Golden Rule
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  • Cancer 15
  • Cardiology, Heart & Vascular Surgery 16
  • Orthopedics 29
  • Neurology & Neurosurgery 24
  • Gastroenterology & GI Surgery 28
  • Pulmonology & Lung Surgery 28
  • Diabetes & Endocrinology 4
  • Children's Hospital 4
  • Urology 28
  • Psychiatry 23
  • Geriatrics 29
  • Rehabilitation 19
  • Obsterics & Gynecology 3
  • Ophthalmology 1
  • Ear, Nose & Throat 3
  • Long Term Care 3
  • Maternity Care (Uncomplicated Pregnancy) 23