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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. Jon Jessen:

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Education & Awards

Dr. Jessen graduated from Southern Illinois University, Springfield.


Dr. Jessen has 1 hospital affiliations:

  • Memorial Medical Center 

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Additional Information
Dr. Jon Niles Jessen MD is a male Emergency Medicine Specialist, has 27 years of experience and practices in Emergency Medicine.
Where does Dr. Jon N. Jessen practice?
Dr. Jon Jessen has 1 office location.
Dr. Jon Jessen practices Emergency Medicine near Springfield, IL.
See Springfield Emergency Physicians.