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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. Donald Widder:

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Specialties & Research

Dr. Donald Widder, MD is board certified in Diagnostic Radiology.

Education & Awards

Dr. Widder graduated from University of California at San Diego, La Jolla.


Dr. Widder has 1 hospital affiliations:

  • Contra Costa Regional Medical Center 


  • French

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Additional Information
Dr. Donald Widder MD is a male Diagnostic Radiologist, has 32 years of experience and practices in Diagnostic Radiology.
Where does Dr. Donald Widder practice?
Dr. Donald Widder has 1 office location.
Dr. Donald Widder practices Diagnostic Radiology near Modesto, CA.
See Modesto Radiologists.