Dr. Mwangi Kamau, MD
17021 Old Orchard Rd Unit 1, Lewes, DE 19958 • +1-482-555-3559
Medical Education: Accredited U.S. Medical School (Class of 2014)
What This Doctor Actually Performs: CMS Medicare Utilization & Lewes Percentiles
NPI #1215480835 • CBSA Regional • Internal Medicine
Statistical peer benchmarking across DE Internal Medicine providers positions Dr. Mwangi Kamau, MD in Lewes at -0.14σ (53.57th city percentile / 54.41th state percentile, 428 Medicare beneficiaries), with clinical focus spanning 14 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1215480835 highlights 615 annual claims for 99214 (53.57th Lewes percentile; $165–$226 self-pay corridor) plus 355 encounters under 99213 and 178 under 93000.
Cash-pay intake data for NPI 1215480835 (17021 Old Orchard Rd Unit 1, Lewes) indicates $209.00 typical out-of-pocket visit spend against a $209.00 locality benchmark, paired with 10-minute average reception wait and 4.80/5 biomarker openness.
Patients evaluating Dr. Mwangi Kamau in ZIP 19958 note 12 years of post-doctoral tenure (null, 2014) alongside 3.2 annual CMS procedures per patient.
Compared against Lewes, DE Internal Medicine peers
1,367 annual services across 428 beneficiaries
Standard deviations from DE 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 | 615 | 53.57th | $165 – $226 |
| 99213 | Established Preventive & Chronic Care Visit | 355 | 57.57th | $126 – $173 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 178 | 51.57th | $60 – $83 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 137 | 52.57th | $194 – $266 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 82 | 57.57th | $230 – $315 |
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Dr. Mwangi Kamau, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Kamau National Provider Identifier | NPI #1215480835 (MD) | CMS NPPES Registry (19958) |
| Dr. Kamau Lewes CMS Volume Rank | 53.57th Pct (1,367 CMS svcs; Z -0.142σ) | CMS Medicare Part B (DE Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Lewes, DE) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 10 min lobby wait | 22 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.81/5 Listening • 4.80/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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