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. Marion Guyer:
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- Currently 4 of 4 stars
The overall average patient rating of Dr. Marion Guyer is Excellent.
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Specialties & Research
Dr. Marion Guyer, MD is board certified in Internal Medicine.
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Education & Awards
Dr. Guyer graduated from University of California at San Francisco.More Education & Awards
Dr. Guyer has 5 hospital affiliations:
- Kaiser Permanente Hospital - Oakland
- Watsonville Community Hospital
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- Additional Information
- Where does Dr. Marion L. Guyer practice?
Dr. Marion Guyer practices Internal Medicine and Hospitalist near Watsonville, CA.
Additional practice locations include: Oakland, CA.
See Watsonville Internists.