Dr. William Mcdermott, MD
169 Ashley Ave, Room 202 Main Hospital, Msc 333, Charleston, SC 29425 • +1-651-555-3063
Medical Education: Accredited U.S. Medical School (Class of 2000)
What This Doctor Actually Performs: CMS Medicare Utilization & Charleston Percentiles
NPI #1831485838 • CBSA Regional • Internal Medicine
Dr. William Mcdermott, MD (NPI #1831485838) practices Internal Medicine in Charleston, SC (29425) with sub-specialty concentration in 8 Active CMS HCPCS Codes, recording 2,830 annual CMS services across 294 distinct beneficiaries—placing this practice as a upper-quartile active clinical volume (74.03th Charleston percentile) (-0.13σ vs SC state mean, 63.29th statewide percentile).
Granular CPT/HCPCS billing distribution at 169 Ashley Ave, Room 202 Main Hospital, Msc 333 shows Dr. William Mcdermott's primary concentration in Moderate-to-High Complexity Internal Medicine Follow-Up (code 99214: 1274x/yr, 74.03th local percentile) alongside Established Preventive & Chronic Care Visit (99213: 736x/yr, $103–$141).
Cash-pay intake data for NPI 1831485838 (169 Ashley Ave, Room 202 Main Hospital, Msc 333, Charleston) indicates $209.00 typical out-of-pocket visit spend against a $209.00 locality benchmark, paired with 17-minute average reception wait and 4.73/5 biomarker openness.
Patients evaluating Dr. William Mcdermott in ZIP 29425 note 26 years of post-doctoral tenure (null, 2000) alongside 9.6 annual CMS procedures per patient.
Compared against Charleston, SC Internal Medicine peers
2,830 annual services across 294 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 | 1,274 | 74.03th | $134 – $184 |
| 99213 | Established Preventive & Chronic Care Visit | 736 | 75.03th | $103 – $141 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 368 | 72.03th | $49 – $67 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 283 | 78.03th | $157 – $216 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 170 | 70.03th | $187 – $256 |
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Dr. William Mcdermott, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Mcdermott National Provider Identifier | NPI #1831485838 (MD) | CMS NPPES Registry (29425) |
| Dr. Mcdermott Charleston CMS Volume Rank | 74.03th Pct (2,830 CMS svcs; Z -0.131σ) | 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 • 17 min lobby wait | 23 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.66/5 Listening • 4.73/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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