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).
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- Currently 4 of 4 stars
The overall average patient rating of Dr. Allen Chang is Excellent.
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Education & Awards
Dr. Chang graduated from University of Massachusetts, Worcester.
Dr. Chang has 5 hospital affiliations:
- U Mass Memorial Med Ctr - Memorial Campus
- Clinton Hospital
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- Additional Information
- Dr. Allen Chang MD is a male Internist, has 1 years of experience and practices in Internal Medicine.
- Where does Dr. Allen Chang practice?
- Dr. Allen Chang has 1 office location.
Dr. Allen Chang practices Internal Medicine near Worcester, MA.
See Worcester Internists.