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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. Clayton 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. Clayton Chang is Excellent. Dr. Chang has been reviewed by 4 patients who have provided 1 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.0
Promptness 5.0
Courteous Staff 3.3
Accurate Diagnosis 4.5
Bedside Manner 4.5
Spends Time with Me 4.5
Follows Up After Visit 3.5

Specialties & Research

Dr. Clayton Chang, MD is board certified in Internal Medicine.

Education & Awards

Dr. Chang graduated from George Washington University.


Dr. Chang has 1 hospital affiliations:

  • Pottstown Memorial Medical Center 

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Additional Information
Dr. Clayton W Chang MD is a male Internist, has 34 years of experience and practices in Internal Medicine.
Where does Dr. Clayton W. Chang practice?
Dr. Clayton Chang has 1 office location.
Dr. Clayton Chang practices Internal Medicine near Pottstown, PA.
See Pottstown Internists.