Dr. Matthew Madden, MD
9330 Medical Plaza DR, Charleston, SC 29406 • +1-777-555-9968
Medical Education: Accredited U.S. Medical School (Class of 2018)
What This Doctor Actually Performs: CMS Medicare Utilization & Charleston Percentiles
NPI #1134325913 • CBSA Regional • Internal Medicine
Within the Charleston, SC (CBSA local) Internal Medicine cohort, Dr. Matthew Madden, MD with sub-specialty concentration in 8 Active CMS HCPCS Codes ranks at the 15.58th municipal percentile and 15.21th SC percentile (-0.33σ Z-score) based on 793 billed procedures for 290 patients.
Procedural volume for Dr. Madden is led by HCPCS 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up — 357 annual services, $150–$206 GPCI cash estimate), followed by CPT 99213 (Established Preventive & Chronic Care Visit, 206/yr) and CPT 93000 (In-Office 12-Lead Resting Electrocardiogram, 103/yr).
For out-of-network patients contacting +1-777-555-9968, Dr. Madden's practice posts a $209.00 GPCI self-pay consult estimate ($209.00 patient-logged median, 4.53/5 composite reality score over 20 submissions).
NPI registry verification (#1134325913) confirms Dr. Matthew Madden's MD standing serving CBSA 29406 with a 4.53/5 patient scorecard.
Compared against Charleston, SC Internal Medicine peers
793 annual services across 290 beneficiaries
Standard deviations from SC 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 | 357 | 15.58th | $150 – $206 |
| 99213 | Established Preventive & Chronic Care Visit | 206 | 16.58th | $115 – $157 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 103 | 12.58th | $55 – $75 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 79 | 12th | $176 – $241 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 48 | 20.58th | $209 – $286 |
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Dr. Matthew Madden, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Madden National Provider Identifier | NPI #1134325913 (MD) | CMS NPPES Registry (29406) |
| Dr. Madden Charleston CMS Volume Rank | 15.58th Pct (793 CMS svcs; Z -0.325σ) | CMS Medicare Part B (SC Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Charleston, SC) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 12 min lobby wait | 20 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.57/5 Listening • 4.81/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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