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, 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, MD

Similar doctors nearby

Dr. Mohamed Elmongy

Internal Medicine
36 years experience
Gainesville, FL

Dr. Steven Kraft

Internal Medicine
30 years experience
Gainesville, FL

Dr. Michael Jansen

Internal Medicine
Gainesville, FL

Dr. Ernest Mazzaferri

Internal Medicine
49 years experience
Gainesville, FL

Dr. Sarah Glover

Internal Medicine
13 years experience
Gainesville, FL

Dr. Juan Vilaro

Internal Medicine
4 years experience
Gainesville, FL
Search All Similar Doctors
Additional Information
Dr. Ellen Zimmermann MD is a female Internist, has 27 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. Ellen 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.