Dr. William Ellison, MD
2755 S Highway 14, Suite 1200a, Greer, SC 29650 • +1-402-555-9278
Medical Education: Accredited U.S. Medical School (Class of 1993)
What This Doctor Actually Performs: CMS Medicare Utilization & Greer Percentiles
NPI #1548338197 • CBSA Regional • Internal Medicine
Within the Greer, SC (CBSA local) Internal Medicine cohort, Dr. William Ellison, MD with sub-specialty concentration in 33 Active CMS HCPCS Codes ranks at the 16.67th municipal percentile and 53.15th SC percentile (-0.21σ Z-score) based on 2,003 billed procedures for 266 patients.
Dr. Ellison's longitudinal care intensity (7.5 billed units per patient across 266 individuals) centers on 99214 (901 annual units) and 99213 ($78–$107 cash range).
For out-of-network patients contacting +1-402-555-9278, Dr. Ellison's practice posts a $209.00 GPCI self-pay consult estimate ($209.00 patient-logged median, 4.87/5 composite reality score over 10 submissions).
Spanning 33 years of clinical practice following 1993 graduation from medical training, Dr. William Ellison integrates 33 Active CMS HCPCS Codes diagnostics for Greer metro patients.
Compared against Greer, SC Internal Medicine peers
2,003 annual services across 266 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 | 901 | 16.67th | $102 – $139 |
| 99213 | Established Preventive & Chronic Care Visit | 521 | 18.67th | $78 – $107 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 260 | 15.67th | $37 – $52 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 200 | 12th | $119 – $164 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 120 | 15.67th | $142 – $194 |
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Dr. William Ellison, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Ellison National Provider Identifier | NPI #1548338197 (MD) | CMS NPPES Registry (29650) |
| Dr. Ellison Greer CMS Volume Rank | 16.67th Pct (2,003 CMS svcs; Z -0.210σ) | CMS Medicare Part B (SC Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Greer, SC) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 20 min lobby wait | 10 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.73/5 Listening • 4.42/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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