Dr. William Largen, MD
1520 Old Trolley Rd, Ste 101, Summerville, SC 29485 • +1-972-555-6128
Medical Education: Accredited U.S. Medical School (Class of 2007)
What This Doctor Actually Performs: CMS Medicare Utilization & Summerville Percentiles
NPI #1336435205 • CBSA Regional • Infectious Disease
CMS Medicare Part B utilization records credit Dr. William Largen (MD, NPI 1336435205) at 1520 Old Trolley Rd, Ste 101 in Summerville with 4,779 annual clinical services (576 beneficiaries), corresponding to a +1.32σ regional deviation and top-decile high-throughput specialist (99th percentile in Summerville) with sub-specialty concentration in 22 Active CMS HCPCS Codes.
Procedural volume for Dr. Largen is led by HCPCS 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up — 2151 annual services, $80–$109 GPCI cash estimate), followed by CPT 99213 (Established Preventive & Chronic Care Visit, 1243/yr) and CPT 93000 (In-Office 12-Lead Resting Electrocardiogram, 621/yr).
For out-of-network patients contacting +1-972-555-6128, Dr. Largen's practice posts a $209.00 GPCI self-pay consult estimate ($209.00 patient-logged median, 4.67/5 composite reality score over 6 submissions).
Credentialed as an MD specialist with 19 years post-graduation experience since completing medical school at an LCME/COCA institution (2007), Dr. Largen coordinates 22 Active CMS HCPCS Codes workups from 1520 Old Trolley Rd, Ste 101 (+1-972-555-6128).
Top 10% Infectious Disease volume leader in Summerville, SC
4,779 annual services across 576 beneficiaries
Standard deviations from SC Infectious Disease 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 | 2,151 | 99th | $80 – $109 |
| 99213 | Established Preventive & Chronic Care Visit | 1,243 | 99th | $61 – $84 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 621 | 96th | $29 – $44 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 478 | 96th | $94 – $128 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 287 | 99.5th | $111 – $152 |
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Dr. William Largen, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Largen National Provider Identifier | NPI #1336435205 (MD) | CMS NPPES Registry (29485) |
| Dr. Largen Summerville CMS Volume Rank | 99.00th Pct (4,779 CMS svcs; Z +1.322σ) | CMS Medicare Part B (SC Infectious Disease) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Summerville, SC) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 12 min lobby wait | 6 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.76/5 Listening • 4.79/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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