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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. Joseph Willis, MD is board certified in Diagnostic Radiology.

Education & Awards

Dr. Willis graduated from University of Michigan Medical School, Ann Arbor.


Dr. Willis has 3 hospital affiliations:

  • Desert Valley Hospital 
  • Parkview Community Hospital Medical Center 
  • Guam Memorial Hosp 

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Additional Information
Dr. Joseph Isaiah Willis MD is a male Diagnostic Radiologist, has 36 years of experience and practices in Diagnostic Radiology.
Where does Dr. Joseph I. Willis practice?
Dr. Joseph Willis has 1 office location.
Dr. Joseph Willis practices Diagnostic Radiology near Pomona, CA.
See Pomona Radiologists.