Dr. Vivian Nguyen, MD
8419 Westminster Blvd, Westminster, CA 92683 • +1-519-555-4391
Medical Education: Accredited U.S. Medical School (Class of 2010)
What This Doctor Actually Performs: CMS Medicare Utilization & Westminster Percentiles
NPI #1689869570 • CBSA Regional • Hospitalist
Within the Westminster, CA (CBSA local) Hospitalist cohort, Dr. Vivian Nguyen, MD with sub-specialty concentration in 20 Active CMS HCPCS Codes ranks at the 99th municipal percentile and 80.52th CA percentile (-0.04σ Z-score) based on 1,395 billed procedures for 349 patients.
Among 5 tracked CMS fee-schedule codes for Dr. Nguyen (averaging 4.0 services per beneficiary), 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up) represents 45% of tracked volume (628 encounters), paired with 99213 (363x).
For out-of-network patients contacting +1-519-555-4391, Dr. Nguyen's practice posts a $239.00 GPCI self-pay consult estimate ($239.00 patient-logged median, 4.87/5 composite reality score over 6 submissions).
Spanning 16 years of clinical practice following 2010 graduation from medical training, Dr. Vivian Nguyen integrates 20 Active CMS HCPCS Codes diagnostics for Westminster metro patients.
Top 10% Hospitalist volume leader in Westminster, CA
1,395 annual services across 349 beneficiaries
Standard deviations from CA Hospitalist 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 | 628 | 99th | $218 – $299 |
| 99213 | Established Preventive & Chronic Care Visit | 363 | 96th | $167 – $228 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 181 | 99.5th | $80 – $109 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 140 | 99.5th | $256 – $350 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 84 | 99.5th | $303 – $415 |
Are you Dr. Vivian Nguyen? Embed your Official DotMD Verification Badge (0-JS SVG)
Paste this lightweight SVG snippet onto your clinic bio page in Westminster, CA:
<a href="https://dotmd.com/doctors/vivian-nguyen-md-westminster-ca-1689869570" title="Dr. Vivian Nguyen, MD - Verified CMS Utilization on DotMD"><img src="https://dotmd.com/badges/npi/1689869570.svg" alt="Dr. Vivian Nguyen Hospitalist Badge" width="280" height="72" /></a>
Dr. Vivian Nguyen, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Nguyen National Provider Identifier | NPI #1689869570 (MD) | CMS NPPES Registry (92683) |
| Dr. Nguyen Westminster CMS Volume Rank | 99.00th Pct (1,395 CMS svcs; Z -0.044σ) | CMS Medicare Part B (CA Hospitalist) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Westminster, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 22 min lobby wait | 6 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.79/5 Listening • 4.92/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
Ask our AI Specialists anything about Dr. Vivian Nguyen
Dr. Nguyen Waiting-Room Q&A & Patient Experience Logs
Anonymous patient-submitted wait times, cash visit fees, and bedside manner discussions in Westminster, CA.
Share your self-pay visit cost and lobby wait time—no account, email, or IP stored.
Filter Dr. Vivian Nguyen community threads and patient logs by age, biological sex, dosage, and treatment duration.