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Dr. Johnston is on Doximity

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Education & Training

  • University of Tennessee/Saint Francis
    University of Tennessee/Saint FrancisResidency, Family Medicine, 1990 - 1993
  • University of Arkansas For Medical Sciences College of Medicine
    University of Arkansas For Medical Sciences College of MedicineClass of 1990

Certifications & Licensure

  • AR State Medical License
    AR State Medical License 1990 - 2026
  • TN State Medical License
    TN State Medical License 1991 - 1994

Awards, Honors, & Recognition

  • CMS Meaningful Use Stage 1 Certification Allscripts Enterprise EHR, Allscripts, 2012-2013

Hospital Affiliations