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. John Siemers:
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- Currently 4 of 4 stars
The overall average patient rating of Dr. John Siemers is Excellent.
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Education & Awards
Dr. Siemers graduated from University of Washington, Seattle.More Education & Awards
Dr. Siemers has 2 hospital affiliations:
- Providence St Vincent Medical Center
- Providence Willamette Falls Medical Center
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- Additional Information
- Where does Dr. John S. Siemers practice?
Dr. John Siemers practices Internal Medicine near Portland, OR.
See Portland Internists.