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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. Hyun Chang:

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Education & Awards

Dr. Chang graduated from Korea University, Seoul.


Dr. Chang has 5 hospital affiliations:

  • Jeanes Hospital 
  • Nazareth Hospital 


  • Korean

> > > > Dr. Hyun Chang, MD

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Additional Information
Dr. Hyun Sook Chang MD is a female Internist, has 47 years of experience and practices in Internal Medicine.
Where does Dr. Hyun S. Chang practice?
Dr. Hyun Chang has 1 office location.
Dr. Hyun Chang practices Internal Medicine near Philadelphia, PA.
See Philadelphia Internists.