Dr. Derek Johnson, MD
3903a Fair Ridge DR, Fairfax, VA 22033 • +1-479-555-9966
Medical Education: Accredited U.S. Medical School (Class of 2005)
What This Doctor Actually Performs: CMS Medicare Utilization & Fairfax Percentiles
NPI #1285622183 • CBSA Regional • Allergy/ Immunology
Operating out of Fairfax, VA (3903a Fair Ridge DR), Allergy/ Immunology clinician Dr. Derek Johnson, MD (accredited MD/DO training, 2005) maintains a mid-cohort balanced caseload (50th Fairfax percentile) (24.14th VA percentile; Z-score -0.77σ across 2,113 documented services) with sub-specialty concentration in 17 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1285622183 highlights 951 annual claims for 99214 (50th Fairfax percentile; $43–$60 self-pay corridor) plus 549 encounters under 99213 and 275 under 93000.
For out-of-network patients contacting +1-479-555-9966, Dr. Johnson's practice posts a $209.00 GPCI self-pay consult estimate ($209.00 patient-logged median, 4.86/5 composite reality score over 13 submissions).
Clinical background for Dr. Johnson (MD, NPI #1285622183) includes accredited doctoral training (2005, 21 yrs in practice) and virtual + in-office availability across VA.
Compared against Fairfax, VA Allergy/ Immunology peers
2,113 annual services across 100 beneficiaries
Standard deviations from VA 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 | 951 | 50th | $43 – $60 |
| 99213 | Established Preventive & Chronic Care Visit | 549 | 54th | $33 – $48 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 275 | 45th | $25 – $40 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 211 | 46th | $51 – $70 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 127 | 49th | $60 – $83 |
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Dr. Derek Johnson, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Johnson National Provider Identifier | NPI #1285622183 (MD) | CMS NPPES Registry (22033) |
| Dr. Johnson Fairfax CMS Volume Rank | 50.00th Pct (2,113 CMS svcs; Z -0.773σ) | CMS Medicare Part B (VA Allergy/ Immunology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Fairfax, VA) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 17 min lobby wait | 13 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.89/5 Listening • 4.54/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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