Dr. Tam Nguyen, MD
12221 Brookhurst St Ste 100, Garden Grove, CA 92840 • +1-961-555-1002
Medical Education: Accredited U.S. Medical School (Class of 2012)
What This Doctor Actually Performs: CMS Medicare Utilization & Garden Grove Percentiles
NPI #1720153182 • CBSA Regional • Internal Medicine
Statistical peer benchmarking across CA Internal Medicine providers positions Dr. Tam Nguyen, MD in Garden Grove at -0.09σ (16.67th city percentile / 44.75th state percentile, 126 Medicare beneficiaries), with clinical focus spanning 16 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1720153182 highlights 605 annual claims for 99214 (16.67th Garden Grove percentile; $193–$264 self-pay corridor) plus 349 encounters under 99213 and 175 under 93000.
Direct cash-pay transparency modeling sets Dr. Nguyen's baseline new-consult rate near $239.00 in Garden Grove, CA (cash-pay accepted, hybrid in-clinic and telehealth video consults, 22-minute average reception wait).
Spanning 14 years of clinical practice following 2012 graduation from medical training, Dr. Tam Nguyen integrates 16 Active CMS HCPCS Codes diagnostics for Garden Grove metro patients.
Compared against Garden Grove, CA Internal Medicine peers
1,344 annual services across 126 beneficiaries
Standard deviations from CA 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 | 605 | 16.67th | $193 – $264 |
| 99213 | Established Preventive & Chronic Care Visit | 349 | 16.67th | $148 – $202 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 175 | 13.67th | $70 – $97 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 134 | 14.67th | $227 – $310 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 81 | 21.67th | $268 – $368 |
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Dr. Tam Nguyen, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Nguyen National Provider Identifier | NPI #1720153182 (MD) | CMS NPPES Registry (92840) |
| Dr. Nguyen Garden Grove CMS Volume Rank | 16.67th Pct (1,344 CMS svcs; Z -0.089σ) | CMS Medicare Part B (CA Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Garden Grove, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 22 min lobby wait | 14 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.86/5 Listening • 4.49/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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