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).
Learn more about Dr. William Zimmer:
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- Currently 4 of 4 stars
The overall average patient rating of Dr. William Zimmer is Excellent.
Specialties & Research
Dr. William Zimmer, MD is board certified in Internal Medicine and Medical Oncology.
Education & Awards
Dr. Zimmer graduated from University of Nebraska, Omaha.
Dr. Zimmer has 4 hospital affiliations:
- Passavant Area Hospital
- Memorial Medical Center
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- Additional Information
- Dr. William Roger Zimmer MD is a male Internist, has 36 years of experience and practices in Internal Medicine and Medical Oncology.
- Where does Dr. William R. Zimmer practice?
- Dr. William Zimmer has 4 office locations.
Dr. William Zimmer practices Internal Medicine and Medical Oncology near Springfield, IL.
Additional practice locations include: Freeport, IL.
See Springfield Internists and Springfield Oncologists.