Browse Health
Gastroenterologist (digestive)
30 years of experience
Accepting new patients
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).

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Specialties & Research

Dr. Joel Wittles, MD is board certified in Gastroenterology.

  • He has special expertise in 7 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Gastrointestinal Motility Disorders
  • Gastroparesis
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Wittles graduated from University of Illinois at Chicago.


Dr. Wittles has 16 hospital affiliations:

  • Witham Health Services 
  • Clarian Health Partners, Incorporated 

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Additional Information
Dr. Joel Merrell Wittles MD is a male Internist, has 30 years of experience and practices in Gastroenterology.
Where does Dr. Joel M. Wittles practice?
Dr. Joel Wittles has 7 office locations.
Dr. Joel Wittles practices Gastroenterology near Indianapolis, IN.
Additional practice locations include: Batesville, IN and Lebanon, IN.
See Indianapolis Gastroenterologists.