Dr. Marc Larsen, MD
4401 Wornall Rd, Kansas City, MO 64111 • +1-468-555-8239
Medical Education: Accredited U.S. Medical School (Class of 2010)
What This Doctor Actually Performs: CMS Medicare Utilization & Kansas City Percentiles
NPI #1144236159 • CBSA Regional • Emergency Medicine
Dr. Marc Larsen, MD (NPI #1144236159) practices Emergency Medicine in Kansas City, MO (64111) with sub-specialty concentration in 29 Active CMS HCPCS Codes, recording 709 annual CMS services across 507 distinct beneficiaries—placing this practice as a focused low-volume boutique caseload (25.93th Kansas City percentile) (-0.41σ vs MO state mean, 25.62th statewide percentile).
Granular CPT/HCPCS billing distribution at 4401 Wornall Rd shows Dr. Marc Larsen's primary concentration in Moderate-to-High Complexity Internal Medicine Follow-Up (code 99214: 319x/yr, 25.93th local percentile) alongside Established Preventive & Chronic Care Visit (99213: 184x/yr, $135–$184).
Uninsured and high-deductible cash patients visiting Dr. Marc Larsen in Kansas City (64111) face an estimated $209.00 initial evaluation fee at 4401 Wornall Rd (in-person clinic visits only; 18-minute average reception wait; bedside manner 4.82/5 from 6 verified reports).
Clinical background for Dr. Larsen (MD, NPI #1144236159) includes accredited doctoral training (2010, 16 yrs in practice) and dedicated on-site consultations at 4401 Wornall Rd.
Compared against Kansas City, MO Emergency Medicine peers
709 annual services across 507 beneficiaries
Standard deviations from MO 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 | 319 | 25.93th | $176 – $241 |
| 99213 | Established Preventive & Chronic Care Visit | 184 | 25.93th | $135 – $184 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 92 | 21.93th | $64 – $88 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 71 | 23.93th | $206 – $283 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 43 | 30.93th | $245 – $335 |
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Dr. Marc Larsen, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Larsen National Provider Identifier | NPI #1144236159 (MD) | CMS NPPES Registry (64111) |
| Dr. Larsen Kansas City CMS Volume Rank | 25.93th Pct (709 CMS svcs; Z -0.411σ) | CMS Medicare Part B (MO Emergency Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Kansas City, MO) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 18 min lobby wait | 6 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.82/5 Listening • 4.42/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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