Dr. Eugene Ahn, MD
2985 Sycamore DR, Simi Valley, CA 93065 • +1-287-555-4002
Medical Education: Accredited U.S. Medical School (Class of 2005)
What This Doctor Actually Performs: CMS Medicare Utilization & Simi Valley Percentiles
NPI #1912999533 • CBSA Regional • Radiation Oncology
Operating out of Simi Valley, CA (2985 Sycamore DR), Radiation Oncology clinician Dr. Eugene Ahn, MD (accredited MD/DO training, 2005) maintains a top-decile high-throughput specialist (99th percentile in Simi Valley) (83.91th CA percentile; Z-score +0.47σ across 4,515 documented services) with sub-specialty concentration in 46 Active CMS HCPCS Codes.
Medicare Part B line-item claims for Dr. Eugene Ahn (93065) place 99214 at the top of the practice ledger (2032 yearly units, 99th metro rank), rounded out by 99213 and 93000.
Direct cash-pay transparency modeling sets Dr. Ahn's baseline new-consult rate near $239.00 in Simi Valley, CA (cash-pay accepted, hybrid in-clinic and telehealth video consults, 11-minute average reception wait).
Patients evaluating Dr. Eugene Ahn in ZIP 93065 note 21 years of post-doctoral tenure (null, 2005) alongside 20.2 annual CMS procedures per patient.
Top 10% Radiation Oncology volume leader in Simi Valley, CA
4,515 annual services across 224 beneficiaries
Standard deviations from CA Radiation Oncology 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 | 2,032 | 99th | $445 – $610 |
| 99213 | Established Preventive & Chronic Care Visit | 1,174 | 99.5th | $341 – $467 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 587 | 98th | $163 – $223 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 452 | 97th | $523 – $716 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 271 | 96th | $620 – $849 |
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Dr. Eugene Ahn, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Ahn National Provider Identifier | NPI #1912999533 (MD) | CMS NPPES Registry (93065) |
| Dr. Ahn Simi Valley CMS Volume Rank | 99.00th Pct (4,515 CMS svcs; Z +0.471σ) | CMS Medicare Part B (CA Radiation Oncology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Simi Valley, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 11 min lobby wait | 19 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.78/5 Listening • 4.40/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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