Dr. Stephen Nguyen, MD
4 Professional DR Ste 133, Gaithersburg, MD 20879 • +1-299-555-5379
Medical Education: Accredited U.S. Medical School (Class of 2008)
What This Doctor Actually Performs: CMS Medicare Utilization & Gaithersburg Percentiles
NPI #1265596050 • CBSA Regional • Internal Medicine
CMS Medicare Part B utilization records credit Dr. Stephen Nguyen (MD, NPI 1265596050) at 4 Professional DR Ste 133 in Gaithersburg with 5,784 annual clinical services (390 beneficiaries), corresponding to a +0.13σ regional deviation and top-decile high-throughput specialist (92.31th percentile in Gaithersburg) with sub-specialty concentration in 21 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 4 Professional DR Ste 133 shows Dr. Stephen Nguyen's primary concentration in Moderate-to-High Complexity Internal Medicine Follow-Up (code 99214: 1379x/yr, 92.31th local percentile) alongside Established Preventive & Chronic Care Visit (99213: 797x/yr, $55–$75).
At 4 Professional DR Ste 133 (20879), Dr. Stephen Nguyen, MD accommodates direct self-pay scheduling (hybrid in-clinic and telehealth video consults) at ~$209.00 per new consult (4.83/5 bedside rating).
NPI registry verification (#1265596050) confirms Dr. Stephen Nguyen's MD standing serving CBSA 20879 with a 4.62/5 patient scorecard.
Top 10% Internal Medicine volume leader in Gaithersburg, MD
5,784 annual services across 390 beneficiaries
Standard deviations from MD Internal Medicine 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 | 1,379 | 92.31th | $72 – $98 |
| 99213 | Established Preventive & Chronic Care Visit | 797 | 87.31th | $55 – $75 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 398 | 89.31th | $26 – $41 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 306 | 88.31th | $84 – $115 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 184 | 97.31th | $100 – $137 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (21 HCPCS billing breadth) | 2,720 | 92.31th | $65 – $94 |
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Dr. Stephen Nguyen, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Nguyen National Provider Identifier | NPI #1265596050 (MD) | CMS NPPES Registry (20879) |
| Dr. Nguyen Gaithersburg CMS Volume Rank | 92.31th Pct (5,784 CMS svcs; Z +0.134σ) | CMS Medicare Part B (MD Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Gaithersburg, MD) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 11 min lobby wait | 13 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.83/5 Listening • 4.88/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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