Dr. Natalya Grigoryan, MD
7300 Medical Center DR, West Hills, CA 91307 • +1-650-555-1837
Medical Education: Accredited U.S. Medical School (Class of 1998)
What This Doctor Actually Performs: CMS Medicare Utilization & West Hills Percentiles
NPI #1811485394 • CBSA Regional • Emergency Medicine
Operating out of West Hills, CA (7300 Medical Center DR), Emergency Medicine clinician Dr. Natalya Grigoryan, MD (accredited MD/DO training, 1998) maintains a top-decile high-throughput specialist (90.91th percentile in West Hills) (99.21th CA percentile; Z-score +4.70σ across 11,616 documented services) with sub-specialty concentration in 28 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 7300 Medical Center DR shows Dr. Natalya Grigoryan's primary concentration in Moderate-to-High Complexity Internal Medicine Follow-Up (code 99214: 5227x/yr, 90.91th local percentile) alongside Established Preventive & Chronic Care Visit (99213: 3020x/yr, $125–$172).
Cash-pay intake data for NPI 1811485394 (7300 Medical Center DR, West Hills) indicates $239.00 typical out-of-pocket visit spend against a $239.00 locality benchmark, paired with 17-minute average reception wait and 4.40/5 biomarker openness.
Spanning 28 years of clinical practice following 1998 graduation from medical training, Dr. Natalya Grigoryan integrates 28 Active CMS HCPCS Codes diagnostics for West Hills metro patients.
Top 10% Emergency Medicine volume leader in West Hills, CA
11,616 annual services across 1,959 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 | 5,227 | 90.91th | $164 – $225 |
| 99213 | Established Preventive & Chronic Care Visit | 3,020 | 89.91th | $125 – $172 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 1,510 | 91.91th | $60 – $82 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 1,162 | 87.91th | $192 – $264 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 697 | 85.91th | $228 – $312 |
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Dr. Natalya Grigoryan, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Grigoryan National Provider Identifier | NPI #1811485394 (MD) | CMS NPPES Registry (91307) |
| Dr. Grigoryan West Hills CMS Volume Rank | 90.91th Pct (11,616 CMS svcs; Z +4.704σ) | CMS Medicare Part B (CA Emergency Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (West Hills, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 17 min lobby wait | 9 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.64/5 Listening • 4.40/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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