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  • Gastroenterology, Hepatology, Internal Medicine
  • Accepting new patients
  • 52 years of experience
  • Michigan Gastroenterology Institute PC 1650 Ramblewood Dr, East Lansing, MI 48823
  • (517) 332-1200

Brief Intro

Dr. Wiedemer is a medical graduate for Ohio State University. He completed is Internship, Residency and Fellowship in Gastroenterology at Rush-Presbyterian-St. Luke’s Medical Center in Chicago, Illinois. Dr. Wiedemer has been a Clinical Instructor and Assistant Professor of Medicine. He has been involved in various research projects related to Gastroenterology. He is board certified in both Internal Medicine and Gastroenterology. Dr. Wiedemer has been in practice in the Lansing area since 1978.

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Education Background

RESIDENCY

Rush Presbyterian St Lukes Medical Center

MEDICAL SCHOOL

Ohio State University College Of Medicine & Public Health - 1973

Languages Spoken

  • Spanish
  • English
  • German

Location & Hours

  • Michigan Gastroenterology Institute
  • 1650 Ramblewood Dr, East Lansing, MI 48823
  • Mon:8:30 am - 4:30 pm
    Tue:8:30 am - 4:30 pm
    Wed:8:30 am - 4:30 pm
    Thu:8:30 am - 4:30 pm
    Fri:8:30 am - 4:30 pm
    Sat:Closed
    Sun:Closed

Specialties Treated

  • Hepatology
  • Gastroenterology
  • Internal Medicine

Conditions Addressed

  • Peptic Ulcer Disease
  • Cholelethiasis or Cholecystitis
  • Gastritis and Duodenitis
  • Diverticulitis
  • Ischemic Bowel Disease
  • Cirrhosis
  • Anal or Rectal Abscess
  • Gastroesophageal Reflux Disease (GERD)
  • Acute Pancreatitis
  • Intestinal Obstruction
  • Celiac Disease
  • Chronic Pancreatitis
  • Gastrointestinal Hemorrhage
  • Liver Cancer
  • Infectious Liver Disease
  • Pancreatic Cancer
  • Diverticulosis
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Insurance Accepted

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

  • Humana
  • Blue Cross Blue Shield
  • Medicare
  • McLaren Health Plan
  • Blue Cross Blue Shield of Michigan
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  • Cancer 33
  • Cardiology, Heart & Vascular Surgery 30
  • Orthopedics 48
  • Neurology & Neurosurgery 40
  • Gastroenterology & GI Surgery 48
  • Pulmonology & Lung Surgery 53
  • Diabetes & Endocrinology 21
  • Children's Hospital 7
  • Urology 49
  • Psychiatry 51
  • Geriatrics 51
  • Rehabilitation 38
  • Obsterics & Gynecology 6
  • Ophthalmology 1
  • Ear, Nose & Throat 4
  • Rheumatology 1
  • Long Term Care 11
  • Maternity Care (Uncomplicated Pregnancy) 33