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. Chang-Yu Chen:
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Specialties & Research
Dr. Chang-Yu Chen, MD is board certified in Internal Medicine.
More Specialties & Research
Education & Awards
Dr. Chen graduated from SABA University, Gardner.More Education & Awards
Dr. Chen has 2 hospital affiliations:
- Kaiser Sunnyside Medical Center
- Providence St Vincent Med Cntr
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- Additional Information
- Where does Dr. Chang-Yu Chen practice?
Dr. Chang-Yu Chen practices Internal Medicine and Hospitalist near Clackamas, OR.
See Clackamas Internists.