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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).

Patient Reviews

Patient comments (3)

The overall average patient rating of Dr. William Chang, Physiatrist is Average. Dr. Chang has been reviewed by 6 patients who have provided 3 comments. The rating is 3 out of 5 stars.

Patient Ratings
Ease of Appointment 4.5
Promptness 3.3
Courteous Staff 4.2
Accurate Diagnosis 4.0
Bedside Manner 4.0
Spends Time with Me 3.7
Follows Up After Visit 3.4

Specialties & Research

Dr. William Chang, MD is board certified in Physical Medicine & Rehabilitation.

Education & Awards

Dr. Chang graduated from State University of New York Downstate, Brooklyn.


Dr. Chang has 6 hospital affiliations:

  • NYU Langone Medical Center 
  • University Hospital of Brooklyn at Long Island Hospital 


  • English
  • Chinese
  • Mandarin
  • Taiwanese
  • French
  • Polish

> > > > Dr. William Chang, MD

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Additional Information
Dr. William Wei-Jung Chang MD is a male Physical Medicine/Rehab Specialist, has 21 years of experience and practices in Physical Medicine & Rehabilitation.
Where does Dr. William W. Chang practice?
Dr. William Chang has 3 office locations.
Dr. William Chang practices Physical Medicine & Rehabilitation near Zanesville, OH.
Additional practice locations include: Brooklyn, NY.
See Zanesville Physiatrists.