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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. Ralph Olsen:

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Specialties & Research

Dr. Ralph Olsen, MD is board certified in Radiology.

  • He has special expertise in 1 area:
  • Cancer

Education & Awards

Dr. Olsen graduated from University of Utah, Salt Lake City.


Dr. Olsen has 3 hospital affiliations:

  • Foothill Presbyterian Hospital 
  • Downey Reg Med Ctr, Downey, Ca 
  • Citrus Valley Med Center 

> > > > Dr. Ralph Olsen, MD

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Additional Information
Dr. Ralph Andrew Olsen MD is a male Radiologist and practices in Radiology.
Where does Dr. Ralph A. Olsen practice?
Dr. Ralph Olsen has 2 office locations.
Dr. Ralph Olsen practices Radiology near Covina, CA.
Additional practice locations include: Long Beach, CA.
See Covina Radiologists.