Dr. Tien Nguyen, MD
11190 Warner Ave, Suite 305, Fountain Valley, CA 92708 • +1-311-555-6688
Medical Education: Accredited U.S. Medical School (Class of 1996)
What This Doctor Actually Performs: CMS Medicare Utilization & Fountain Valley Percentiles
NPI #1356385025 • CBSA Regional • Neurosurgery
Anchored in Fountain Valley, CA 92708, Dr. Tien Nguyen, MD (NPI 1356385025) logged 1,356 annual procedures (top-decile high-throughput specialist (99th percentile in Fountain Valley), 74.59th CA percentile, +0.11σ) with sub-specialty concentration in 60 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1356385025 highlights 610 annual claims for 99214 (99th Fountain Valley percentile; $387–$530 self-pay corridor) plus 353 encounters under 99213 and 176 under 93000.
Direct cash-pay transparency modeling sets Dr. Nguyen's baseline new-consult rate near $239.00 in Fountain Valley, CA (cash-pay accepted, hybrid in-clinic and telehealth video consults, 17-minute average reception wait).
Spanning 30 years of clinical practice following 1996 graduation from medical training, Dr. Tien Nguyen integrates 60 Active CMS HCPCS Codes diagnostics for Fountain Valley metro patients.
Top 10% Neurosurgery volume leader in Fountain Valley, CA
1,356 annual services across 497 beneficiaries
Standard deviations from CA Neurosurgery 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 | 610 | 99th | $387 – $530 |
| 99213 | Established Preventive & Chronic Care Visit | 353 | 96th | $296 – $406 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 176 | 99.5th | $141 – $194 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 136 | 99.5th | $454 – $623 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 81 | 99.5th | $538 – $738 |
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Dr. Tien Nguyen, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Nguyen National Provider Identifier | NPI #1356385025 (MD) | CMS NPPES Registry (92708) |
| Dr. Nguyen Fountain Valley CMS Volume Rank | 99.00th Pct (1,356 CMS svcs; Z +0.106σ) | CMS Medicare Part B (CA Neurosurgery) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Fountain Valley, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 17 min lobby wait | 25 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.57/5 Listening • 4.67/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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