Dr. William Yang, MD
18433 Roscoe Blvd, Suite #202, Northridge, CA 91325 • +1-837-555-8759
Medical Education: Accredited U.S. Medical School (Class of 1997)
What This Doctor Actually Performs: CMS Medicare Utilization & Northridge Percentiles
NPI #1609005479 • CBSA Regional • Internal Medicine
Anchored in Northridge, CA 91325, Dr. William Yang, MD (NPI 1609005479) logged 9,136 annual procedures (top-decile high-throughput specialist (90.91th percentile in Northridge), 92.94th CA percentile, +0.14σ) with sub-specialty concentration in 28 Active CMS HCPCS Codes.
Dr. Yang's longitudinal care intensity (9.8 billed units per patient across 933 individuals) centers on 99214 (4111 annual units) and 99213 ($132–$180 cash range).
Cash-pay intake data for NPI 1609005479 (18433 Roscoe Blvd, Suite #202, Northridge) indicates $239.00 typical out-of-pocket visit spend against a $239.00 locality benchmark, paired with 18-minute average reception wait and 4.51/5 biomarker openness.
Spanning 29 years of clinical practice following 1997 graduation from medical training, Dr. William Yang integrates 28 Active CMS HCPCS Codes diagnostics for Northridge metro patients.
Top 10% Internal Medicine volume leader in Northridge, CA
9,136 annual services across 933 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 | 4,111 | 90.91th | $172 – $236 |
| 99213 | Established Preventive & Chronic Care Visit | 2,375 | 87.91th | $132 – $180 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 1,188 | 88.91th | $63 – $86 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 914 | 85.91th | $202 – $277 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 548 | 95.91th | $239 – $328 |
Are you Dr. William Yang? Embed your Official DotMD Verification Badge (0-JS SVG)
Paste this lightweight SVG snippet onto your clinic bio page in Northridge, CA:
<a href="https://dotmd.com/doctors/william-yang-md-northridge-ca-1609005479" title="Dr. William Yang, MD - Verified CMS Utilization on DotMD"><img src="https://dotmd.com/badges/npi/1609005479.svg" alt="Dr. William Yang Internal Medicine Badge" width="280" height="72" /></a>
Dr. William Yang, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Yang National Provider Identifier | NPI #1609005479 (MD) | CMS NPPES Registry (91325) |
| Dr. Yang Northridge CMS Volume Rank | 90.91th Pct (9,136 CMS svcs; Z +0.141σ) | CMS Medicare Part B (CA Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Northridge, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 18 min lobby wait | 26 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.57/5 Listening • 4.51/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
Ask our AI Specialists anything about Dr. William Yang
Other High-Volume Internal Medicine Specialists in Northridge, CA
Ranked strictly by CMS Medicare volumeDr. Yang Waiting-Room Q&A & Patient Experience Logs
Anonymous patient-submitted wait times, cash visit fees, and bedside manner discussions in Northridge, CA.
Share your self-pay visit cost and lobby wait time—no account, email, or IP stored.
Filter Dr. William Yang community threads and patient logs by age, biological sex, dosage, and treatment duration.