Dr. Robert Siew, MD
10 Congress St Ste 155, Pasadena, CA 91105 • +1-239-555-8961
Medical Education: Accredited U.S. Medical School (Class of 1993)
What This Doctor Actually Performs: CMS Medicare Utilization & Pasadena Percentiles
NPI #1578539516 • CBSA Regional • Internal Medicine
CMS Medicare Part B utilization records credit Dr. Robert Siew (MD, NPI 1578539516) at 10 Congress St Ste 155 in Pasadena with 3,664 annual clinical services (742 beneficiaries), corresponding to a -0.02σ regional deviation and upper-quartile active clinical volume (77.08th Pasadena percentile) with sub-specialty concentration in 7 Active CMS HCPCS Codes.
Procedural volume for Dr. Siew is led by HCPCS 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up — 1649 annual services, $163–$223 GPCI cash estimate), followed by CPT 99213 (Established Preventive & Chronic Care Visit, 953/yr) and CPT 93000 (In-Office 12-Lead Resting Electrocardiogram, 476/yr).
Cash-pay intake data for NPI 1578539516 (10 Congress St Ste 155, Pasadena) indicates $239.00 typical out-of-pocket visit spend against a $239.00 locality benchmark, paired with 12-minute average reception wait and 4.51/5 biomarker openness.
Spanning 33 years of clinical practice following 1993 graduation from medical training, Dr. Robert Siew integrates 7 Active CMS HCPCS Codes diagnostics for Pasadena metro patients.
Compared against Pasadena, CA Internal Medicine peers
3,664 annual services across 742 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 | 1,649 | 77.08th | $163 – $223 |
| 99213 | Established Preventive & Chronic Care Visit | 953 | 74.08th | $125 – $171 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 476 | 79.08th | $59 – $81 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 366 | 73.08th | $191 – $262 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 220 | 74.08th | $226 – $310 |
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Dr. Robert Siew, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Siew National Provider Identifier | NPI #1578539516 (MD) | CMS NPPES Registry (91105) |
| Dr. Siew Pasadena CMS Volume Rank | 77.08th Pct (3,664 CMS svcs; Z -0.021σ) | CMS Medicare Part B (CA Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Pasadena, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 12 min lobby wait | 10 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.79/5 Listening • 4.51/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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