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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. David Johnston:

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Specialties & Research

Dr. David Johnston, MD is board certified in Emergency Medicine and Pediatrics.

Education & Awards

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


Dr. Johnston has 1 hospital affiliations:

  • North Memorial Medical Center 


  • Spanish

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Additional Information
Dr. David Clayton Johnston MD is a male Emergency Medicine Specialist, has 33 years of experience and practices in Pediatrics and Emergency Medicine.
Where does Dr. David C. Johnston practice?
Dr. David Johnston has 2 office locations.
Dr. David Johnston practices Pediatrics and Emergency Medicine near Minneapolis, MN.
Additional practice locations include: Osseo, MN.
See Minneapolis Pediatricians and Minneapolis Emergency Physicians.