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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 Fassl:

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Specialties & Research

Dr. Joseph Fassl, MD is board certified in Emergency Medicine.

Education & Awards

Dr. Fassl graduated from Temple University Physicians, Philadelphia.


Dr. Fassl has 2 hospital affiliations:

  • Lehigh Valley Hospital 
  • Lehigh Valley Hospital - Muhlenberg 

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Additional Information
Dr. Joseph John Fassl MD is a male Emergency Medicine Specialist, has 41 years of experience and practices in Emergency Medicine.
Where does Dr. Joseph J. Fassl practice?
Dr. Joseph Fassl has 1 office location.
Dr. Joseph Fassl practices Emergency Medicine near Allentown, PA.
See Allentown Emergency Physicians.