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Dr. Johnston is on Doximity

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Education & Training

  • Franciscan Health Indianapolis
    Franciscan Health IndianapolisResidency, Family Medicine, 1998 - 2001
  • Indiana University School of Medicine
    Indiana University School of MedicineClass of 1998

Certifications & Licensure

  • IN State Medical License
    IN State Medical License 1999 - 2025