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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (25)

The overall average patient rating of Dr. David Van Thiel is Average. Dr. Van Thiel has been reviewed by 45 patients who have provided 25 comments. The rating is 3 out of 5 stars.

Patient Ratings
Ease of Appointment 2.9
Promptness 2.7
Courteous Staff 3.0
Accurate Diagnosis 3.6
Bedside Manner 3.1
Spends Time with Me 3.3
Follows Up After Visit 3.4

Specialties & Research

Dr. David Van Thiel, MD is board certified in Gastroenterology.

  • He has special expertise in 20 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Chronic Hepatitis B
  • Chronic Hepatitis C
  • Constipation
  • Cryoglobulinemia
  • Fatty Liver
  • Hepatitis
  • Hepatitis C
  • Hepatocellular Carcinoma
  • Irritable Bowel Syndrome (IBS)
  • Liver Cancer
  • Liver Cirrhosis
  • Liver Cirrhosis (Alcoholic)
  • Liver Disease (Alcoholic)
  • Liver Diseases
  • Liver Failure
  • Liver Transplantation
  • Portal Hypertension
  • Ulcerative Colitis
  • Viral Human Hepatitis

Education & Awards

Dr. Van Thiel graduated from University of California at Los Angeles. He has 5 awards.

One of America's Leading Experts on:
Chronic Hepatitis C
Liver Cancer (Hepatocellular Carcinoma)
Liver Cirrhosis
Liver Diseases
Liver Transplantation


Dr. Van Thiel has 5 hospital affiliations:

  • Loyola University Medical Center 
  • Rush Oak Park Hospital 

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Additional Information
Dr. David Van Thiel MD is a male Internist, has 44 years of experience and practices in Gastroenterology.
Where does Dr. David Van Thiel practice?
Dr. David Van Thiel has 4 office locations.
Dr. David Van Thiel practices Gastroenterology near Berwyn, IL.
Additional practice locations include: Oak Park, IL and Chicago, IL.
See Berwyn Gastroenterologists.