Dr. Yakuan Yvonne Chen, MD
3300 Webster St, Suite 304, Oakland, CA 94609 • +1-949-555-8441
Medical Education: Accredited U.S. Medical School (Class of 1999)
What This Doctor Actually Performs: CMS Medicare Utilization & Oakland Percentiles
NPI #1306959135 • CBSA Regional • Nephrology
Statistical peer benchmarking across CA Nephrology providers positions Dr. Yakuan Yvonne Chen, MD in Oakland at -0.14σ (25th city percentile / 66.91th state percentile, 611 Medicare beneficiaries), with clinical focus spanning 26 Active CMS HCPCS Codes.
Procedural volume for Dr. Chen is led by HCPCS 99214 (Chronic Kidney Disease eGFR, uACR & Electrolyte Management — 1350 annual services, $274–$376 GPCI cash estimate), followed by CPT 90960 (Monthly Adult ESRD Renal Replacement Oversight, 619/yr) and CPT 99215 (High-Complexity Cardiorenal & Resistant Hypertension Visit, 506/yr).
Self-pay new patient consultations with Dr. Chen (CPT 99204 GPCI-adjusted benchmark) estimate around $239.00 (community reported average: $239.00) with hybrid in-clinic and telehealth video consults, 16-minute average reception wait, and a 4.85/5 modern protocol openness score across 22 patient logs.
Patients evaluating Dr. Yakuan Yvonne Chen in ZIP 94609 note 27 years of post-doctoral tenure (null, 1999) alongside 4.6 annual CMS procedures per patient.
Compared against Oakland, CA Nephrology peers
2,812 annual services across 611 beneficiaries
Standard deviations from CA Nephrology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Chronic Kidney Disease eGFR, uACR & Electrolyte Management | 1,350 | 25th | $274 – $376 |
| 90960 | Monthly Adult ESRD Renal Replacement Oversight | 619 | 24th | $548 – $752 |
| 99215 | High-Complexity Cardiorenal & Resistant Hypertension Visit | 506 | 26th | $400 – $548 |
| 99204 | New Patient Nephrology & Proteinuria Consultation | 337 | 24th | $377 – $517 |
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Dr. Yakuan Yvonne Chen, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chen National Provider Identifier | NPI #1306959135 (MD) | CMS NPPES Registry (94609) |
| Dr. Chen Oakland CMS Volume Rank | 25.00th Pct (2,812 CMS svcs; Z -0.143σ) | CMS Medicare Part B (CA Nephrology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Oakland, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 16 min lobby wait | 22 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.66/5 Listening • 4.85/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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