Dr. Leon Kupferwasser, MD
16119 Vanowen St, Van Nuys, CA 91406 • +1-905-555-2557
Medical Education: Accredited U.S. Medical School (Class of 2004)
What This Doctor Actually Performs: CMS Medicare Utilization & Van Nuys Percentiles
NPI #1316067457 • CBSA Regional • Cardiology
Statistical peer benchmarking across CA Cardiology providers positions Dr. Leon Kupferwasser, MD in Van Nuys at +0.84σ (50th city percentile / 94.43th state percentile, 1,865 Medicare beneficiaries), with clinical focus spanning 49 Active CMS HCPCS Codes.
Dr. Kupferwasser's longitudinal care intensity (9.1 billed units per patient across 1865 individuals) centers on 99214 (5280 annual units) and 93000 ($47–$64 cash range).
Cash-pay intake data for NPI 1316067457 (16119 Vanowen St, Van Nuys) indicates $239.00 typical out-of-pocket visit spend against a $239.00 locality benchmark, paired with 18-minute average reception wait and 4.43/5 biomarker openness.
Patients evaluating Dr. Leon Kupferwasser in ZIP 91406 note 22 years of post-doctoral tenure (null, 2004) alongside 9.1 annual CMS procedures per patient.
Compared against Van Nuys, CA Cardiology peers
16,974 annual services across 1,865 beneficiaries
Standard deviations from CA Cardiology 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 Cardiology Consultation & Hemodynamic Review | 5,280 | 50th | $120 – $164 |
| 93000 | 12-Lead Resting Electrocardiogram (ECG) w/ Interpretation | 3,890 | 49th | $47 – $64 |
| 93306 | Complete Transthoracic Echocardiography w/ Doppler & Color Flow | 2,501 | 45th | $224 – $306 |
| 93224 | 24-Hour Ambulatory ECG Rhythm Monitoring & Analysis | 1,389 | 52th | $140 – $192 |
| 99204 | Comprehensive New Patient Cardiovascular Risk Evaluation | 834 | 47th | $172 – $235 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (49 HCPCS billing breadth) | 3,080 | 50th | $108 – $157 |
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Dr. Leon Kupferwasser, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Kupferwasser National Provider Identifier | NPI #1316067457 (MD) | CMS NPPES Registry (91406) |
| Dr. Kupferwasser Van Nuys CMS Volume Rank | 50.00th Pct (16,974 CMS svcs; Z +0.842σ) | CMS Medicare Part B (CA Cardiology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Van Nuys, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 18 min lobby wait | 24 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.87/5 Listening • 4.43/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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