Dr. Dennis Nguyen, MD
5510 Alma Ln, Springfield, VA 22151 • +1-388-555-6930
Medical Education: Accredited U.S. Medical School (Class of 2001)
What This Doctor Actually Performs: CMS Medicare Utilization & Springfield Percentiles
NPI #1811121213 • CBSA Regional • Gastroenterology
Statistical peer benchmarking across VA Gastroenterology providers positions Dr. Dennis Nguyen, MD in Springfield at -0.49σ (0th city percentile / 9.66th state percentile, 422 Medicare beneficiaries), with clinical focus spanning 33 Active CMS HCPCS Codes.
Procedural volume for Dr. Nguyen is led by HCPCS 99214 (Established Gastroenterology, GERD & IBD Evaluation — 265 annual services, $395–$541 GPCI cash estimate), followed by CPT 45380 (Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy, 179/yr) and CPT 43239 (Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy, 150/yr).
Uninsured and high-deductible cash patients visiting Dr. Dennis Nguyen in Springfield (22151) face an estimated $209.00 initial evaluation fee at 5510 Alma Ln (in-person clinic visits only; 22-minute average reception wait; bedside manner 4.95/5 from 12 verified reports).
NPI registry verification (#1811121213) confirms Dr. Dennis Nguyen's MD standing serving CBSA 22151 with a 4.93/5 patient scorecard.
Compared against Springfield, VA Gastroenterology peers
716 annual services across 422 beneficiaries
Standard deviations from VA Gastroenterology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Established Gastroenterology, GERD & IBD Evaluation | 265 | 12th | $395 – $541 |
| 45380 | Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy | 179 | 12th | $950 – $1302 |
| 43239 | Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy | 150 | 12th | $789 – $1081 |
| 45385 | Colonoscopy w/ Snare Polypectomy Lesion Removal | 72 | 12th | $1058 – $1450 |
| 99204 | New Patient Digestive & Hepatology Consultation | 50 | 12th | $556 – $762 |
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Dr. Dennis Nguyen, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Nguyen National Provider Identifier | NPI #1811121213 (MD) | CMS NPPES Registry (22151) |
| Dr. Nguyen Springfield CMS Volume Rank | 0.00th Pct (716 CMS svcs; Z -0.492σ) | CMS Medicare Part B (VA Gastroenterology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Springfield, VA) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 22 min lobby wait | 12 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.95/5 Listening • 4.66/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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