Dr. Jeffrey Kopstein, DO
1600 N Rose Ave, Oxnard, CA 93030 • +1-517-555-1081
Medical Education: Accredited U.S. Medical School (Class of 2017)
What This Doctor Actually Performs: CMS Medicare Utilization & Oxnard Percentiles
NPI #1487041158 • CBSA Regional • Internal Medicine
Operating out of Oxnard, CA (1600 N Rose Ave), Internal Medicine clinician Dr. Jeffrey Kopstein, DO (accredited MD/DO training, 2017) maintains a upper-quartile active clinical volume (73.33th Oxnard percentile) (74.77th CA percentile; Z-score -0.04σ across 3,041 documented services) with sub-specialty concentration in 14 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1487041158 highlights 1368 annual claims for 99214 (73.33th Oxnard percentile; $95–$130 self-pay corridor) plus 791 encounters under 99213 and 395 under 93000.
Direct cash-pay transparency modeling sets Dr. Kopstein's baseline new-consult rate near $239.00 in Oxnard, CA (cash-pay accepted, hybrid in-clinic and telehealth video consults, 14-minute average reception wait).
Patients evaluating Dr. Jeffrey Kopstein in ZIP 93030 note 9 years of post-doctoral tenure (null, 2017) alongside 10.8 annual CMS procedures per patient.
Compared against Oxnard, CA Internal Medicine peers
3,041 annual services across 282 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 | 1,368 | 73.33th | $95 – $130 |
| 99213 | Established Preventive & Chronic Care Visit | 791 | 68.33th | $73 – $100 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 395 | 76.33th | $35 – $50 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 304 | 71.33th | $112 – $153 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 182 | 69.33th | $132 – $181 |
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Dr. Jeffrey Kopstein, DO Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Kopstein National Provider Identifier | NPI #1487041158 (DO) | CMS NPPES Registry (93030) |
| Dr. Kopstein Oxnard CMS Volume Rank | 73.33th Pct (3,041 CMS svcs; Z -0.039σ) | CMS Medicare Part B (CA Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Oxnard, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 14 min lobby wait | 10 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.88/5 Listening • 4.70/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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