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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. Katherine Johnson:

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Specialties & Research

Dr. Katherine Johnson, MD is board certified in Family Medicine.

Education & Awards

Dr. Johnson graduated from Brown University, Providence.


Dr. Johnson has 5 hospital affiliations:

  • United Hospital 
  • Adventist Medical Center 


  • Spanish

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Additional Information
Dr. Katherine Louise Johnson MD is a female Family Practitioner, has 9 years of experience and practices in Family Medicine.
Where does Dr. Katherine L. Johnson practice?
Dr. Katherine Johnson has 3 office locations.
Dr. Katherine Johnson practices Family Medicine near Saint Paul, MN.
Additional practice locations include: Portland, OR.
See Saint Paul Primary Care Doctors.