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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. Douglas Chang:

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Specialties & Research

Dr. Douglas Chang, MD is board certified in Internal Medicine.

Education & Awards

Dr. Chang graduated from UMDNJ, Newark.


Dr. Chang has 1 hospital affiliations:

  • Phoenix Indian Medical Center 


  • Japanese
  • Chinese
  • Ukrainian
  • Russian
  • Mandarin
  • Albanian
  • Spanish
  • Korean

> > > > Dr. Douglas Chang, MD

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Additional Information
Dr. Douglas Chin-Lu Chang MD is a male Internist, has 9 years of experience and practices in Internal Medicine.
Where does Dr. Douglas C. Chang practice?
Dr. Douglas Chang has 1 office location.
Dr. Douglas Chang practices Internal Medicine near Phoenix, AZ.
See Phoenix Internists.