Allergy & Immunology Specialist, Internist
14 years of experience
Accepting new patients
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).

Patient Reviews

Patient comments (2)

The overall average patient rating of Dr. Reid Johnstone is Good. Dr. Johnstone has been reviewed by 6 patients who have provided 2 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.1
Promptness 4.1
Courteous Staff 4.1
Accurate Diagnosis 3.2
Bedside Manner 4.1
Spends Time with Me 4.6
Follows Up After Visit 4.6

Specialties & Research

Dr. Reid Johnstone, MD is board certified in Allergy & Immunology.

  • He has special expertise in 3 areas:
  • Asthma
  • Hay Fever (Seasonal Allergic Rhinitis)
  • Nasal Allergy (Rhinitis)

Education & Awards

Dr. Johnstone graduated from University of South Carolina , Columbia.


Dr. Johnstone has 8 hospital affiliations:

  • Greenville Memorial Hospital 
  • Oconee Memorial Hospital 

> > > > Dr. Reid Johnstone, MD

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Additional Information
Dr. Reid Fain Johnstone MD is a male Allergist & Immunologist, has 14 years of experience and practices in Allergy & Immunology and Internal Medicine.
Where does Dr. Reid F. Johnstone practice?
Dr. Reid Johnstone has 4 office locations.
Dr. Reid Johnstone practices Allergy & Immunology and Internal Medicine near Simpsonville, SC.
Additional practice locations include: Greenville, SC and Clemson, SC.
See Simpsonville Allergists and Simpsonville Internists.