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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- Currently 2 of 4 stars
The overall average patient rating of Dr. Ellen Zimmermann is Satisfactory.
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Specialties & Research
Dr. Ellen Zimmermann, MD is board certified in Internal Medicine and Gastroenterology.
- She has special expertise in 3 areas:
- Crohn's Disease
- Inflammatory Bowel Diseases (IBD)
- 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
- Ann Arbor Veterans Affairs Medical Center
- University of Michigan Health System
Accepted Insurance Plans
Dr. Zimmermann accepts these health insurances in at least one office:
- Health Alliance Plan of Michigan - 4 plans
- Blue Cross Blue Shield of Michigan - 2 plans
- Humana - 2 plans
- Cigna - 2 plans