Dr. Matthew Karp, MD
5176 Hill Rd E, Lakeport, CA 95453 • +1-949-555-3878
Medical Education: Accredited U.S. Medical School (Class of 2018)
What This Doctor Actually Performs: CMS Medicare Utilization & Lakeport Percentiles
NPI #1417282823 • CBSA Regional • Emergency Medicine
Operating out of Lakeport, CA (5176 Hill Rd E), Emergency Medicine clinician Dr. Matthew Karp, MD (accredited MD/DO training, 2018) maintains a top-decile high-throughput specialist (99th percentile in Lakeport) (48.58th CA percentile; Z-score -0.19σ across 883 documented services) with sub-specialty concentration in 41 Active CMS HCPCS Codes.
Medicare Part B line-item claims for Dr. Matthew Karp (95453) place 99214 at the top of the practice ledger (397 yearly units, 99th metro rank), rounded out by 99213 and 93000.
Direct cash-pay transparency modeling sets Dr. Karp's baseline new-consult rate near $239.00 in Lakeport, CA (cash-pay accepted, hybrid in-clinic and telehealth video consults, 9-minute average reception wait).
Spanning 8 years of clinical practice following 2018 graduation from medical training, Dr. Matthew Karp integrates 41 Active CMS HCPCS Codes diagnostics for Lakeport metro patients.
Top 10% Emergency Medicine volume leader in Lakeport, CA
883 annual services across 506 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 | 397 | 99th | $200 – $274 |
| 99213 | Established Preventive & Chronic Care Visit | 230 | 99th | $153 – $210 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 115 | 95th | $73 – $100 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 88 | 99.5th | $235 – $321 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 53 | 99.5th | $278 – $381 |
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Dr. Matthew Karp, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Karp National Provider Identifier | NPI #1417282823 (MD) | CMS NPPES Registry (95453) |
| Dr. Karp Lakeport CMS Volume Rank | 99.00th Pct (883 CMS svcs; Z -0.187σ) | CMS Medicare Part B (CA Emergency Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Lakeport, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 9 min lobby wait | 11 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.83/5 Listening • 4.70/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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