Doctor profile · Federal record
Dr. Reid Johnstone, MD
Allergy & Immunology Physician (CMS: Allergy/Immunology) · Allergy & Immunology Physician · Greenville, SC
- NPI 1013907260
- Accepts Medicare
- MIPS 54.4 / 100 · 2023
- 29 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
48 Creekview CT
Greenville, SC 296154800
(864) 458-7431
fax (864) 458-7463 - Mailing address
-
Po Box 603725
Charlotte, NC 282603725
Credentials & registration
- NPI registered
- October 2005 — 21 yrs on file
- Profile last updated
- October 31, 2023
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 207K00000X — NUCC code
- State licenses (2)
- South Carolina #MD20199 · South Carolina #20199
- Medicaid
- SC #201999
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1013907260. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
10,761
Distinct HCPCS
10
Medicare allowed
$199,055
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
95004 |
Test for allergy using allergenic extract | 3,295 | 53 | $4 | |
J2357 |
Injection, omalizumab, 5 mg | 2,250 | 11 | $38 | |
95165 |
Professional service for preparation and provision of 1 or more antigens | 1,495 | 99 | $14 | |
95117 |
Professional service for multiple injections of allergen | 988 | 197 | $11 | |
95044 |
Test for allergy using skin patch | 874 | 14 | $4 | |
95115 |
Professional service for single injection of allergen | 548 | 88 | $9 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 289 | 221 | $85 | |
95024 |
Test for allergy using allergenic extract injected into skin | 214 | 23 | $7 | |
96160 |
Administration and interpretation of patient-focused health risk assessment | 167 | 130 | $2 | |
95148 |
Professional service for preparation and provision of 4 stinging insect venom | 148 | 13 | $79 |
In context: peer comparison
Among 6 peers in Greenville Allergy & Immunology Physician, average services per provider: 480. This provider delivers 22× the peer median.Open Payments
Industry payments received
All-time total
$2,124
Transactions
113
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Genzyme Corporation | 33 | $570.80 | |
| Pfizer INC. | 18 | $329.21 | |
| AstraZeneca Pharmaceuticals Lp | 12 | $251.63 | |
| GlaxoSmithKline, LLC. | 14 | $190.37 | |
| Csl Behring | 10 | $181.72 | |
| Abbvie INC. | 5 | $110.09 | |
| Pharming Healthcare, INC. | 4 | $106.01 | |
| Takeda Pharmaceuticals U.S.A., INC. | 4 | $87.04 | |
| Regeneron Healthcare Solutions, INC. | 3 | $79.92 | |
| BioCryst US Sales Co., LLC | 3 | $60.31 | |
| Grifols USA, LLC | 3 | $58.49 | |
| Hospira, INC. | 1 | $22.97 | |
| Hikma Pharmaceuticals USA | 1 | $20.47 | |
| Aerin Medical INC. | 1 | $20.39 | |
| Amgen INC. | 1 | $18.93 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,339
Patients
458
Total drug cost
$447,309
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Montelukast Sodium | Generic | 228 | 83 | $3,419 |
| Azelastine Hcl | Generic | 184 | 61 | $5,737 |
| Ipratropium Bromide | Generic | 184 | 72 | $9,500 |
| Fluticasone Propionate | Generic | 160 | 68 | $2,868 |
| Famotidine | Generic | 126 | 32 | $2,170 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 104 | 45 | $3,823 |
| Dupixent Syringe (Dupilumab) | Brand | 72 | 0 | $330,763 |
| Prednisone | Generic | 58 | 45 | $146 |
| Symbicort (Budesonide/Formoterol Fumarate) | Brand | 50 | 13 | $22,840 |
| Levocetirizine Dihydrochloride | Generic | 41 | 13 | $2,018 |
Frequently asked questions
What is Dr. Reid Johnstone's medical specialty?
Dr. Reid Johnstone practices Allergy & Immunology Physician in Greenville, SC.
Where does Dr. Reid Johnstone practice?
Dr. Reid Johnstone practices at 48 Creekview CT, Greenville, SC 296154800. Office phone: 8644587431.
What is Dr. Reid Johnstone's NPI?
Dr. Reid Johnstone's National Provider Identifier (NPI) is 1013907260, issued by NPPES.
Does Dr. Reid Johnstone accept Medicare assignment?
Yes. Dr. Reid Johnstone accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Reid Johnstone commonly perform?
Top Medicare-reported procedures in 2023: Test for allergy using allergenic extract (HCPCS 95004); Injection, omalizumab, 5 mg (HCPCS J2357); Professional service for preparation and provision of 1 or more antigens (HCPCS 95165). Source: CMS Medicare Physician & Other Practitioners file.