Dr. Reid Johnstone, MD
48 Creekview Ct, Greenville, SC 29615 • +1-508-555-1026
Medical Education: Accredited U.S. Medical School (Class of 1998)
What This Doctor Actually Performs: CMS Medicare Utilization & Greenville Percentiles
NPI #1013907260 • CBSA Regional • Allergy/ Immunology
Dr. Reid Johnstone, MD (NPI #1013907260) practices Allergy/ Immunology in Greenville, SC (29615) with sub-specialty concentration in 27 Active CMS HCPCS Codes, recording 14,585 annual CMS services across 455 distinct beneficiaries—placing this practice as a upper-quartile active clinical volume (72.73th Greenville percentile) (+0.41σ vs SC state mean, 75th statewide percentile).
Dr. Johnstone's longitudinal care intensity (32.1 billed units per patient across 455 individuals) centers on 99214 (3633 annual units) and 99213 ($33–$48 cash range).
At 48 Creekview Ct (29615), Dr. Reid Johnstone, MD accommodates direct self-pay scheduling (in-person clinic visits only) at ~$209.00 per new consult (4.80/5 bedside rating).
Credentialed as an MD specialist with 28 years post-graduation experience since completing medical school at an LCME/COCA institution (1998), Dr. Johnstone coordinates 27 Active CMS HCPCS Codes workups from 48 Creekview Ct (+1-508-555-1026).
Compared against Greenville, SC Allergy/ Immunology peers
14,585 annual services across 455 beneficiaries
Standard deviations from SC Allergy/ Immunology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Moderate-to-High Complexity Internal Medicine Follow-Up | 3,633 | 72.73th | $43 – $60 |
| 99213 | Established Preventive & Chronic Care Visit | 2,099 | 77.73th | $33 – $48 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 1,049 | 77.73th | $25 – $40 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 807 | 77.73th | $51 – $70 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 484 | 69.73th | $60 – $83 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (27 HCPCS billing breadth) | 6,512 | 72.73th | $45 – $65 |
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Dr. Reid Johnstone, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Johnstone National Provider Identifier | NPI #1013907260 (MD) | CMS NPPES Registry (29615) |
| Dr. Johnstone Greenville CMS Volume Rank | 72.73th Pct (14,585 CMS svcs; Z +0.406σ) | CMS Medicare Part B (SC Allergy/ Immunology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Greenville, SC) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 14 min lobby wait | 12 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.80/5 Listening • 4.40/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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