Dr. William Mcwilliams, MD
14 Richland Medical Park DR, Suite 320, Columbia, SC 29203 • +1-583-555-9431
Medical Education: Accredited U.S. Medical School (Class of 2007)
What This Doctor Actually Performs: CMS Medicare Utilization & Columbia Percentiles
NPI #1346535127 • CBSA Regional • Hospitalist
Dr. William Mcwilliams, MD (NPI #1346535127) practices Hospitalist in Columbia, SC (29203) with sub-specialty concentration in 14 Active CMS HCPCS Codes, recording 876 annual CMS services across 421 distinct beneficiaries—placing this practice as a mid-cohort balanced caseload (53.57th Columbia percentile) (-0.17σ vs SC state mean, 52.38th statewide percentile).
Granular CPT/HCPCS billing distribution at 14 Richland Medical Park DR, Suite 320 shows Dr. William Mcwilliams's primary concentration in Moderate-to-High Complexity Internal Medicine Follow-Up (code 99214: 394x/yr, 53.57th local percentile) alongside Established Preventive & Chronic Care Visit (99213: 228x/yr, $118–$162).
At 14 Richland Medical Park DR, Suite 320 (29203), Dr. William Mcwilliams, MD accommodates direct self-pay scheduling (in-person clinic visits only) at ~$209.00 per new consult (4.81/5 bedside rating).
Patients evaluating Dr. William Mcwilliams in ZIP 29203 note 19 years of post-doctoral tenure (null, 2007) alongside 2.1 annual CMS procedures per patient.
Compared against Columbia, SC Hospitalist peers
876 annual services across 421 beneficiaries
Standard deviations from SC Hospitalist 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 | 394 | 53.57th | $154 – $211 |
| 99213 | Established Preventive & Chronic Care Visit | 228 | 57.57th | $118 – $162 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 114 | 54.57th | $56 – $77 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 88 | 52.57th | $181 – $248 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 53 | 57.57th | $215 – $294 |
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Dr. William Mcwilliams, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Mcwilliams National Provider Identifier | NPI #1346535127 (MD) | CMS NPPES Registry (29203) |
| Dr. Mcwilliams Columbia CMS Volume Rank | 53.57th Pct (876 CMS svcs; Z -0.174σ) | CMS Medicare Part B (SC Hospitalist) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Columbia, SC) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 12 min lobby wait | 24 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.81/5 Listening • 4.76/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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