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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. William Chang:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. William Chang is Average. Dr. Chang has been reviewed by 2 patients who have provided 1 comments. The rating is 3 out of 5 stars.

Patient Ratings
Ease of Appointment 4.3
Promptness 5.0
Courteous Staff 3.7
Accurate Diagnosis 3.0
Bedside Manner 4.3
Spends Time with Me 3.0
Follows Up After Visit 3.0

Specialties & Research

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

Education & Awards

Dr. Chang graduated from Ross University, Edison.


Dr. Chang has 5 hospital affiliations:

  • Kent County Hospital 
  • Women and Infants Hospital of RI 


  • Spanish
  • Polish
  • Chinese

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Additional Information
Dr. William Chin Chang MD is a male General Practitioner, has 30 years of experience and practices in General Practice.
Where does Dr. William C. Chang practice?
Dr. William Chang has 4 office locations.
Dr. William Chang practices General Practice near Cranston, RI.
Additional practice locations include: Pawtucket, RI and Warwick, RI.
See Cranston Primary Care Doctors.