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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).

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Education & Awards

Dr. Leinenbach graduated from Oregon Health & Science University, Portland.

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Additional Information
Dr. Derek James Leinenbach MD is a male Internist, has 3 years of experience and practices in Internal Medicine.
Where does Dr. Derek J. Leinenbach practice?
Dr. Derek Leinenbach has 2 office locations.
Dr. Derek Leinenbach practices Internal Medicine near Portland, OR.
See Portland Internists.