Dr. Stefan Sien, DO
28078 Baxter Rd Ste 324, Murrieta, CA 92563 • +1-873-555-1408
Medical Education: Accredited U.S. Medical School (Class of 2011)
What This Doctor Actually Performs: CMS Medicare Utilization & Murrieta Percentiles
NPI #1932319464 • CBSA Regional • Pulmonary Disease
Dr. Stefan Sien, DO (NPI #1932319464) practices Pulmonary Disease in Murrieta, CA (92563) with sub-specialty concentration in 34 Active CMS HCPCS Codes, recording 1,483 annual CMS services across 443 distinct beneficiaries—placing this practice as a focused low-volume boutique caseload (0th Murrieta percentile) (-0.31σ vs CA state mean, 42.1th statewide percentile).
Medicare Part B line-item claims for Dr. Stefan Sien (92563) place 99214 at the top of the practice ledger (608 yearly units, 12th metro rank), rounded out by 94060 and 94729.
At 28078 Baxter Rd Ste 324 (92563), Dr. Stefan Sien, DO accommodates direct self-pay scheduling (hybrid in-clinic and telehealth video consults) at ~$239.00 per new consult (4.69/5 bedside rating).
Clinical background for Dr. Sien (DO, NPI #1932319464) includes accredited doctoral training (2011, 15 yrs in practice) and virtual + in-office availability across CA.
Compared against Murrieta, CA Pulmonary Disease peers
1,483 annual services across 443 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 | 608 | 12th | $202 – $277 |
| 94060 | Pre- & Post-Bronchodilator Spirometry Airflow Evaluation | 341 | 12th | $132 – $180 |
| 94729 | Alveolar Carbon Monoxide Diffusing Capacity (DLCO) | 252 | 12th | $119 – $164 |
| 95810 | Attended Sleep Apnea Polysomnography Interpretation | 163 | 12th | $369 – $505 |
| 99204 | Comprehensive New Patient Respiratory & Sleep Workup | 119 | 12th | $284 – $390 |
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Dr. Stefan Sien, DO Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Sien National Provider Identifier | NPI #1932319464 (DO) | CMS NPPES Registry (92563) |
| Dr. Sien Murrieta CMS Volume Rank | 0.00th Pct (1,483 CMS svcs; Z -0.311σ) | CMS Medicare Part B (CA Pulmonary Disease) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Murrieta, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 9 min lobby wait | 19 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.69/5 Listening • 4.79/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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