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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. Duke Chang:

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Specialties & Research

Dr. Duke Chang, MD is board certified in Internal Medicine and Nephrology.

Education & Awards

Dr. Chang graduated from Yonsei University, Seoul.


Dr. Chang has 12 hospital affiliations:

  • Memorial Hospital of Gardena 
  • St. Francis Medical Center 


  • Korean

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Additional Information
Dr. Duke M Chang MD is a male Internist, has 38 years of experience and practices in Internal Medicine and Nephrology.
Where does Dr. Duke M. Chang practice?
Dr. Duke Chang has 1 office location.
Dr. Duke Chang practices Internal Medicine and Nephrology near Torrance, CA.
See Torrance Internists and Torrance Nephrologists.