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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).

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Specialties & Research

Dr. John Felker, MD is board certified in Diagnostic Radiology.

Education & Awards

Dr. Felker graduated from University of Kentucky , Lexington.


Dr. Felker has 7 hospital affiliations:

  • Memorial Hospital 
  • Memorial Medical Center 


  • Spanish

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Additional Information
Dr. John Felker MD is a male Diagnostic Radiologist, has 21 years of experience and practices in Diagnostic Radiology.
Where does Dr. John Felker practice?
Dr. John Felker has 4 office locations.
Dr. John Felker practices Diagnostic Radiology near Springfield, IL.
Additional practice locations include: Quincy, IL and Maryville, IL.
See Springfield Radiologists.