Dr. David Chen, MD
12462 Putnam St, Suite 500, Whittier, CA 90602 • +1-220-555-4160
Medical Education: Accredited U.S. Medical School (Class of 1992)
What This Doctor Actually Performs: CMS Medicare Utilization & Whittier Percentiles
NPI #1225196835 • CBSA Regional • Otolaryngology
Operating out of Whittier, CA (12462 Putnam St, Suite 500), Otolaryngology clinician Dr. David Chen, MD (accredited MD/DO training, 1992) maintains a mid-cohort balanced caseload (50th Whittier percentile) (31.11th CA percentile; Z-score -0.18σ across 1,101 documented services) with sub-specialty concentration in 38 Active CMS HCPCS Codes.
Procedural volume for Dr. Chen is led by HCPCS 99213 (Focused Ear, Nose, Sinus & Throat Examination — 374 annual services, $156–$214 GPCI cash estimate), followed by CPT 31231 (Diagnostic Rigid/Flexible Nasal & Sinus Endoscopy, 275/yr) and CPT 31575 (Flexible Fiberoptic Laryngoscopy Vocal Cord Inspection, 209/yr).
Direct cash-pay transparency modeling sets Dr. Chen's baseline new-consult rate near $239.00 in Whittier, CA (cash-pay accepted, in-person clinic visits only, 20-minute average reception wait).
Spanning 34 years of clinical practice following 1992 graduation from medical training, Dr. David Chen integrates 38 Active CMS HCPCS Codes diagnostics for Whittier metro patients.
Compared against Whittier, CA Otolaryngology peers
1,101 annual services across 465 beneficiaries
Standard deviations from CA Otolaryngology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99213 | Focused Ear, Nose, Sinus & Throat Examination | 374 | 50th | $156 – $214 |
| 31231 | Diagnostic Rigid/Flexible Nasal & Sinus Endoscopy | 275 | 48th | $315 – $431 |
| 31575 | Flexible Fiberoptic Laryngoscopy Vocal Cord Inspection | 209 | 51th | $230 – $315 |
| 92557 | Comprehensive Pure-Tone Audiometry & Speech Recognition | 143 | 46th | $111 – $151 |
| 69210 | Instrumented Impacted Cerumen Removal Under Microscopy | 99 | 53th | $99 – $135 |
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Dr. David Chen, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chen National Provider Identifier | NPI #1225196835 (MD) | CMS NPPES Registry (90602) |
| Dr. Chen Whittier CMS Volume Rank | 50.00th Pct (1,101 CMS svcs; Z -0.178σ) | CMS Medicare Part B (CA Otolaryngology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Whittier, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 20 min lobby wait | 18 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.80/5 Listening • 4.77/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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