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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. Joseph Mallon:

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Specialties & Research

Dr. Joseph Mallon, MD is board certified in Internal Medicine.

Education & Awards

Dr. Mallon graduated from University of Pennsylvania , Philadelphia.


Dr. Mallon has 5 hospital affiliations:

  • Lehigh Valley Hospital - Muhlenberg 
  • Lehigh Valley Hospital 

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Additional Information
Dr. Joseph Leo Mallon MD is a male Internist, has 22 years of experience and practices in Internal Medicine.
Where does Dr. Joseph L. Mallon practice?
Dr. Joseph Mallon has 1 office location.
Dr. Joseph Mallon practices Internal Medicine near Allentown, PA.
See Allentown Internists.