Dr. Tony Tseng, MD
3224 Santa Ana St, South Gate, CA 90280 • +1-800-555-7187
Medical Education: Accredited U.S. Medical School (Class of 2011)
What This Doctor Actually Performs: CMS Medicare Utilization & South Gate Percentiles
NPI #1558523670 • CBSA Regional • Internal Medicine
Operating out of South Gate, CA (3224 Santa Ana St), Internal Medicine clinician Dr. Tony Tseng, MD (accredited MD/DO training, 2011) maintains a top-decile high-throughput specialist (99th percentile in South Gate) (63.86th CA percentile; Z-score -0.07σ across 2,166 documented services) with sub-specialty concentration in 33 Active CMS HCPCS Codes.
Procedural volume for Dr. Tseng is led by HCPCS 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up — 975 annual services, $144–$197 GPCI cash estimate), followed by CPT 99213 (Established Preventive & Chronic Care Visit, 563/yr) and CPT 93000 (In-Office 12-Lead Resting Electrocardiogram, 282/yr).
Uninsured and high-deductible cash patients visiting Dr. Tony Tseng in South Gate (90280) face an estimated $239.00 initial evaluation fee at 3224 Santa Ana St (hybrid in-clinic and telehealth video consults; 14-minute average reception wait; bedside manner 4.94/5 from 4 verified reports).
Spanning 15 years of clinical practice following 2011 graduation from medical training, Dr. Tony Tseng integrates 33 Active CMS HCPCS Codes diagnostics for South Gate metro patients.
Top 10% Internal Medicine volume leader in South Gate, CA
2,166 annual services across 164 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 | 975 | 99th | $144 – $197 |
| 99213 | Established Preventive & Chronic Care Visit | 563 | 99.5th | $110 – $151 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 282 | 99.5th | $53 – $72 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 217 | 96th | $169 – $232 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 130 | 99.5th | $200 – $274 |
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Dr. Tony Tseng, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Tseng National Provider Identifier | NPI #1558523670 (MD) | CMS NPPES Registry (90280) |
| Dr. Tseng South Gate CMS Volume Rank | 99.00th Pct (2,166 CMS svcs; Z -0.065σ) | CMS Medicare Part B (CA Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (South Gate, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 14 min lobby wait | 4 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.94/5 Listening • 4.49/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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