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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).

Learn more about Dr. Christopher Greenman:

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Specialties & Research

Dr. Christopher Greenman, MD is board certified in Internal Medicine.


Education & Awards

Dr. Greenman graduated from University of Rochester .


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Additional Information
Dr. Christopher Gordon Greenman MD is a male Internist, has 4 years of experience and practices in Internal Medicine.
Where does Dr. Christopher G. Greenman practice?
Dr. Christopher Greenman has 2 office locations.
Dr. Christopher Greenman practices Internal Medicine near Portland, OR.
Additional practice locations include: Seattle, WA.
See Portland Internists.