Dr. Sikai Yang, MD
2999 Regent St Ste 301, Berkeley, CA 94705 • +1-713-555-8998
Medical Education: Accredited U.S. Medical School (Class of 2018)
What This Doctor Actually Performs: CMS Medicare Utilization & Berkeley Percentiles
NPI #1871904821 • CBSA Regional • Rheumatology
Dr. Sikai Yang, MD (NPI #1871904821) practices Rheumatology in Berkeley, CA (94705) with sub-specialty concentration in 20 Active CMS HCPCS Codes, recording 5,530 annual CMS services across 354 distinct beneficiaries—placing this practice as a mid-cohort balanced caseload (60th Berkeley percentile) (-0.45σ vs CA state mean, 48.99th statewide percentile).
Procedural volume for Dr. Yang is led by HCPCS 99214 (Autoimmune Arthritis & Biologic/DMARD Safety Evaluation — 814 annual services, $82–$112 GPCI cash estimate), followed by CPT 20610 (Large Joint Synovial Arthrocentesis or Corticosteroid Injection, 371/yr) and CPT 96413 (Intravenous Biologic Infusion Therapy (First Hour), 265/yr).
Direct cash-pay transparency modeling sets Dr. Yang's baseline new-consult rate near $239.00 in Berkeley, CA (cash-pay accepted, hybrid in-clinic and telehealth video consults, 9-minute average reception wait).
NPI registry verification (#1871904821) confirms Dr. Sikai Yang's MD standing serving CBSA 94705 with a 4.90/5 patient scorecard.
Compared against Berkeley, CA Rheumatology peers
5,530 annual services across 354 beneficiaries
Standard deviations from CA Rheumatology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Autoimmune Arthritis & Biologic/DMARD Safety Evaluation | 814 | 60th | $82 – $112 |
| 20610 | Large Joint Synovial Arthrocentesis or Corticosteroid Injection | 371 | 59th | $65 – $89 |
| 96413 | Intravenous Biologic Infusion Therapy (First Hour) | 265 | 63th | $113 – $154 |
| 76881 | Complete Joint Synovitis High-Resolution Ultrasound | 177 | 61th | $85 – $117 |
| 99204 | New Patient Autoimmune & Rheumatology Diagnostic Workup | 142 | 60th | $113 – $154 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (20 HCPCS billing breadth) | 3,761 | 60th | $71 – $103 |
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Dr. Sikai Yang, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Yang National Provider Identifier | NPI #1871904821 (MD) | CMS NPPES Registry (94705) |
| Dr. Yang Berkeley CMS Volume Rank | 60.00th Pct (5,530 CMS svcs; Z -0.445σ) | CMS Medicare Part B (CA Rheumatology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Berkeley, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 9 min lobby wait | 17 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.56/5 Listening • 4.41/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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