Internist, Gastroenterologist (digestive)
27 years of experience
Video profile
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).

Patient Reviews

Patient comments (5)

The overall average patient rating of Dr. Ellen Zimmermann is Average. Dr. Zimmermann has been reviewed by 9 patients who have provided 5 comments. The rating is 2.5 out of 5 stars.

Patient Ratings
Ease of Appointment 1.7
Promptness 1.4
Courteous Staff 2.3
Accurate Diagnosis 2.9
Bedside Manner 2.3
Spends Time with Me 2.1
Follows Up After Visit 1.3

Specialties & Research

Dr. Ellen Zimmermann, MA, MD is board certified in Internal Medicine and Gastroenterology.

  • She has special expertise in 7 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Crohn's Disease
  • Hepatitis C
  • Inflammatory Bowel Diseases (IBD)
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Zimmermann graduated from University of Wisconsin at Madison.


Dr. Zimmermann has 3 hospital affiliations:

  • University of Michigan Hospitals & Health Centers 
  • University of Michigan Health System 
  • Ann Arbor Veterans Affairs Medical Center 

> > > > Dr. Ellen Zimmermann, MA, MD

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Additional Information
Dr. Ellen Mary Zimmermann MA and MD is a female Internist, has 27 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. Ellen M. Zimmermann practice?
Dr. Ellen Zimmermann has 2 office locations.
Dr. Ellen Zimmermann practices Internal Medicine and Gastroenterology near Gainesville, FL.
Additional practice locations include: Ann Arbor, MI.
See Gainesville Internists and Gainesville Gastroenterologists.