Dr. Elbert Chang, MD
9525 Monte Vista Ave Ste 105, Montclair, CA 91763 • +1-751-555-8996
Medical Education: Accredited U.S. Medical School (Class of 1995)
What This Doctor Actually Performs: CMS Medicare Utilization & Montclair Percentiles
NPI #1053417808 • CBSA Regional • Pulmonary Disease
Operating out of Montclair, CA (9525 Monte Vista Ave Ste 105), Pulmonary Disease clinician Dr. Elbert Chang, MD (accredited MD/DO training, 1995) maintains a upper-quartile active clinical volume (75th Montclair percentile) (68.01th CA percentile; Z-score -0.05σ across 2,552 documented services) with sub-specialty concentration in 39 Active CMS HCPCS Codes.
Dr. Chang's longitudinal care intensity (5.7 billed units per patient across 445 individuals) centers on 99214 (1046 annual units) and 94060 ($134–$183 cash range).
Direct cash-pay transparency modeling sets Dr. Chang's baseline new-consult rate near $239.00 in Montclair, CA (cash-pay accepted, in-person clinic visits only, 21-minute average reception wait).
Credentialed as an MD specialist with 31 years post-graduation experience since completing medical school at an LCME/COCA institution (1995), Dr. Chang coordinates 39 Active CMS HCPCS Codes workups from 9525 Monte Vista Ave Ste 105 (+1-751-555-8996).
Compared against Montclair, CA Pulmonary Disease peers
2,552 annual services across 445 beneficiaries
Standard deviations from CA Pulmonary Disease mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Established Pulmonary, Asthma & COPD Management | 1,046 | 75th | $205 – $281 |
| 94060 | Pre- & Post-Bronchodilator Spirometry Airflow Evaluation | 587 | 77th | $134 – $183 |
| 94729 | Alveolar Carbon Monoxide Diffusing Capacity (DLCO) | 434 | 75th | $121 – $166 |
| 95810 | Attended Sleep Apnea Polysomnography Interpretation | 281 | 76th | $374 – $513 |
| 99204 | Comprehensive New Patient Respiratory & Sleep Workup | 204 | 73th | $289 – $396 |
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Dr. Elbert Chang, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chang National Provider Identifier | NPI #1053417808 (MD) | CMS NPPES Registry (91763) |
| Dr. Chang Montclair CMS Volume Rank | 75.00th Pct (2,552 CMS svcs; Z -0.048σ) | CMS Medicare Part B (CA Pulmonary Disease) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Montclair, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 21 min lobby wait | 3 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.88/5 Listening • 4.75/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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