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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. Robert Johnston, MD is board certified in Internal Medicine.

Education & Awards

Dr. Johnston graduated from University of Washington, Seattle.


Dr. Johnston has 3 hospital affiliations:

  • Auburn Regional Medical Center 
  • Tacoma General Allenmore-387730 
  • Allenmore Hospital 

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Additional Information
Dr. Robert Grant Johnston MD is a male Internist, has 42 years of experience and practices in Internal Medicine.
Where does Dr. Robert G. Johnston practice?
Dr. Robert Johnston has 1 office location.
Dr. Robert Johnston practices Internal Medicine near Tacoma, WA.
See Tacoma Internists.