Dr. Sybil Zachariah, MD
300 Pasteur DR, Alway Building M121, Stanford, CA 94305 • +1-710-555-5125
Medical Education: Accredited U.S. Medical School (Class of 2001)
What This Doctor Actually Performs: CMS Medicare Utilization & Stanford Percentiles
NPI #1508202094 • CBSA Regional • Emergency Medicine
Dr. Sybil Zachariah, MD (NPI #1508202094) practices Emergency Medicine in Stanford, CA (94305) with sub-specialty concentration in 28 Active CMS HCPCS Codes, recording 855 annual CMS services across 434 distinct beneficiaries—placing this practice as a mid-cohort balanced caseload (50th Stanford percentile) (-0.20σ vs CA state mean, 44.34th statewide percentile).
Among 5 tracked CMS fee-schedule codes for Dr. Zachariah (averaging 2.0 services per beneficiary), 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up) represents 45% of tracked volume (385 encounters), paired with 99213 (222x).
Direct cash-pay transparency modeling sets Dr. Zachariah's baseline new-consult rate near $239.00 in Stanford, CA (cash-pay accepted, in-person clinic visits only, 22-minute average reception wait).
NPI registry verification (#1508202094) confirms Dr. Sybil Zachariah's MD standing serving CBSA 94305 with a 4.81/5 patient scorecard.
Compared against Stanford, CA Emergency Medicine peers
855 annual services across 434 beneficiaries
Standard deviations from CA Emergency 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 | 385 | 50th | $177 – $242 |
| 99213 | Established Preventive & Chronic Care Visit | 222 | 46th | $135 – $186 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 111 | 55th | $65 – $89 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 86 | 46th | $208 – $285 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 51 | 49th | $246 – $337 |
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Dr. Sybil Zachariah, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Zachariah National Provider Identifier | NPI #1508202094 (MD) | CMS NPPES Registry (94305) |
| Dr. Zachariah Stanford CMS Volume Rank | 50.00th Pct (855 CMS svcs; Z -0.199σ) | CMS Medicare Part B (CA Emergency Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Stanford, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 22 min lobby wait | 24 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.84/5 Listening • 4.76/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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