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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. Nancy Chang:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

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Patient Reviews

  • Currently 1 of 4 stars
Patient comments (4)

The overall average patient rating of Dr. Nancy Chang is Poor. Dr. Chang has been reviewed by 5 patients who have provided 4 comments. The rating is 1 out of 4 stars.

Patient Ratings
Ease of Appointment 2.0
  • Currently 2 of 4 stars
Promptness 1.4
  • Currently 1.4 of 4 stars
Courteous Staff 1.2
  • Currently 1.2 of 4 stars
Accurate Diagnosis 1.0
  • Currently 1 of 4 stars
Bedside Manner 1.0
  • Currently 1 of 4 stars
Spends Time with Me 1.0
  • Currently 1 of 4 stars
Follows Up After Visit 1.0
  • Currently 1 of 4 stars

Specialties & Research

  • She has special expertise in 1 area:
  • Flu (Human Influenza)

Education & Awards

Dr. Chang graduated from Nanjing University Medical College, Jiangsu.


Dr. Chang has 4 hospital affiliations:

  • Palomar Medical Center 
  • Tri-City Medical Center 


  • Spanish

> > > > Dr. Nancy Chang, MD

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Additional Information
Dr. Nancy Shih-Sun Chang MD is a female Internist and practices in Internal Medicine.
Where does Dr. Nancy S. Chang practice?
Dr. Nancy Chang has 1 office location.
Dr. Nancy Chang practices Internal Medicine near Oceanside, CA.
See Oceanside Internists.