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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. Alexander Shen:

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Specialties & Research

Dr. Alexander Shen, MD is board certified in Internal Medicine.

Education & Awards

Dr. Shen graduated from George Washington University.


Dr. Shen has 2 hospital affiliations:

  • St. Mary Medical Center 
  • Torrance Memorial Medical Center 

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Additional Information
Dr. Alexander Jeffrey Shen MD is a male Internist, has 11 years of experience and practices in Internal Medicine.
Where does Dr. Alexander J. Shen practice?
Dr. Alexander Shen has 1 office location.
Dr. Alexander Shen practices Internal Medicine near Torrance, CA.
See Torrance Internists.