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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 (4)

The overall average patient rating of Dr. William Chang, Physiatrist is Good. Dr. Chang has been reviewed by 9 patients who have provided 4 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.7
Promptness 4.0
Courteous Staff 4.4
Accurate Diagnosis 4.4
Bedside Manner 4.4
Spends Time with Me 4.2
Follows Up After Visit 3.9

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 


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

> > > > Dr. William Chang, MD

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Additional Information
Dr. William Wei-Jung Chang MD is a male Physical Medicine/Rehab Specialist, has 22 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.