Physician Profile
Unclaimed ProfileAbout JOHNSTONE
Reid F Johnstone, MD is a healthcare provider in Greenville, SC specializing in allergy/immunology. Reid trained at University of South Carolina School of Medicine, graduating in 1997. Reid is also listed as specializing in allergy & immunology. According to Medicare claims data, Reid cared for 1,087 Medicare patients across 11,082 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (864) 458-7431
- Email not available
Practice Locations
48 CREEKVIEW CT
Greenville, SC 29615
Procedures Most Often Billed to Medicare
11,082 services · 1,087 patients · 15 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Test for allergy using allergenic extract | Treatment | 95004 |
3,164 |
| Professional service for preparation and provision of 1 or more antigens | Treatment | 95165 |
1,500 |
| Professional service for multiple injections of allergen | Treatment | 95117 |
797 |
| Professional service for single injection of allergen | Treatment | 95115 |
510 |
| Administration and interpretation of patient-focused health risk assessment | Treatment | 96160 |
255 |
| Test for allergy using allergenic extract injected into skin | Treatment | 95024 |
234 |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
169 |
| Professional service for preparation and provision of 4 stinging insect venom | Treatment | 95148 |
130 |
| Professional service for preparation and provision of whole body extract of biting insect or arthropod antigens | Treatment | 95170 |
120 |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
47 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other allergy/immunology specialists at this location 3
Same specialty, same street address — most likely the same department or group.
Also at this address 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other allergy/immunology specialists in Greenville 6
Same specialty, same city.
More connections — 21 related providers in 3 groups
Trained at University of South Carolina School of Medicine 6
Other providers in the same specialty who trained at the same institution.
Class of 1997 at University of South Carolina School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Test for allergy using allergenic extract 7
Providers in SC who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Johnstone?
Dr. Johnstone is an allergy/immunology in Greenville, SC. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ALLERGY/IMMUNOLOGY”.
NPI registry
What is Dr. Johnstone's address?
Dr. Johnstone is listed at 48 CREEKVIEW CT, Greenville, SC 29615. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Johnstone?
The number on file is (864) 458-7431. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Johnstone's NPI number?
Dr. Johnstone's National Provider Identifier is 1013907260. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Johnstone train?
Dr. Johnstone attended University of South Carolina School of Medicine, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Johnstone been practicing?
Dr. Johnstone has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Johnstone perform?
According to Medicare billing data, Dr. Johnstone provides treatments such as test for allergy using allergenic extract and professional service for preparation and provision of 1 or more antigens, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Johnstone confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Johnstone. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.