Dr. William Tseng, MD
4647 Zion Ave, San Diego, CA 92120 • +1-266-555-4968
Medical Education: Accredited U.S. Medical School (Class of 2016)
What This Doctor Actually Performs: CMS Medicare Utilization & San Diego Percentiles
NPI #1093874752 • CBSA Regional • Hospitalist
Dr. William Tseng, MD (NPI #1093874752) practices Hospitalist in San Diego, CA (92120) with sub-specialty concentration in 3 Active CMS HCPCS Codes, recording 834 annual CMS services across 387 distinct beneficiaries—placing this practice as a focused low-volume boutique caseload (26.92th San Diego percentile) (-0.08σ vs CA state mean, 36.33th statewide percentile).
Dr. Tseng's longitudinal care intensity (2.2 billed units per patient across 387 individuals) centers on 99214 (187 annual units) and 99213 ($127–$174 cash range).
Uninsured and high-deductible cash patients visiting Dr. William Tseng in San Diego (92120) face an estimated $239.00 initial evaluation fee at 4647 Zion Ave (in-person clinic visits only; 11-minute average reception wait; bedside manner 4.69/5 from 21 verified reports).
Clinical background for Dr. Tseng (MD, NPI #1093874752) includes accredited doctoral training (2016, 10 yrs in practice) and dedicated on-site consultations at 4647 Zion Ave.
Compared against San Diego, CA Hospitalist peers
834 annual services across 387 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 | 187 | 26.92th | $166 – $228 |
| 99213 | Established Preventive & Chronic Care Visit | 108 | 23.92th | $127 – $174 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 54 | 28.92th | $61 – $83 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 42 | 29.92th | $195 – $267 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 25 | 27.92th | $231 – $317 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (3 HCPCS billing breadth) | 418 | 26.92th | $150 – $218 |
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Dr. William Tseng, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Tseng National Provider Identifier | NPI #1093874752 (MD) | CMS NPPES Registry (92120) |
| Dr. Tseng San Diego CMS Volume Rank | 26.92th Pct (834 CMS svcs; Z -0.077σ) | CMS Medicare Part B (CA Hospitalist) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (San Diego, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 11 min lobby wait | 21 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.69/5 Listening • 4.46/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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