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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Specialties & Research
Dr. John Butler, MD is board certified in Internal Medicine and Pulmonary Disease.
- He has special expertise in 1 area:
Education & Awards
Dr. Butler graduated from University of Illinois at Chicago.
Dr. Butler has 5 hospital affiliations:
- Providence St Vincent Medical Center
- Legacy Meridian Park Hospital
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- Additional Information
- Dr. John Alan Butler MD is a male Internist, has 36 years of experience and practices in Internal Medicine and Pulmonary Disease.
- Where does Dr. John A. Butler practice?
- Dr. John Butler has 4 office locations.
Dr. John Butler practices Internal Medicine and Pulmonary Disease near Portland, OR.
Additional practice locations include: Tualatin, OR and Newberg, OR.
See Portland Internists and Portland Pulmonologists.