Dr. William Drinnon, MD
3370 Jenkins Road, Chattanooga, TN 37421 • +1-661-555-5205
Medical Education: Accredited U.S. Medical School (Class of 1993)
What This Doctor Actually Performs: CMS Medicare Utilization & Chattanooga Percentiles
NPI #1831174168 • CBSA Regional • Internal Medicine
Operating out of Chattanooga, TN (3370 Jenkins Road), Internal Medicine clinician Dr. William Drinnon, MD (accredited MD/DO training, 1993) maintains a upper-quartile active clinical volume (84.52th Chattanooga percentile) (81.78th TN percentile; Z-score +0.22σ across 5,948 documented services) with sub-specialty concentration in 77 Active CMS HCPCS Codes.
Procedural volume for Dr. Drinnon is led by HCPCS 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up — 2677 annual services, $51–$70 GPCI cash estimate), followed by CPT 99213 (Established Preventive & Chronic Care Visit, 1546/yr) and CPT 93000 (In-Office 12-Lead Resting Electrocardiogram, 773/yr).
Cash-pay intake data for NPI 1831174168 (3370 Jenkins Road, Chattanooga) indicates $201.00 typical out-of-pocket visit spend against a $201.00 locality benchmark, paired with 21-minute average reception wait and 4.50/5 biomarker openness.
Credentialed as an MD specialist with 33 years post-graduation experience since completing medical school at an LCME/COCA institution (1993), Dr. Drinnon coordinates 77 Active CMS HCPCS Codes workups from 3370 Jenkins Road (+1-661-555-5205).
Compared against Chattanooga, TN Internal Medicine peers
5,948 annual services across 354 beneficiaries
Standard deviations from TN 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 | 2,677 | 84.52th | $51 – $70 |
| 99213 | Established Preventive & Chronic Care Visit | 1,546 | 85.52th | $39 – $54 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 773 | 80.52th | $25 – $40 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 595 | 87.52th | $60 – $82 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 357 | 84.52th | $71 – $98 |
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Dr. William Drinnon, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Drinnon National Provider Identifier | NPI #1831174168 (MD) | CMS NPPES Registry (37421) |
| Dr. Drinnon Chattanooga CMS Volume Rank | 84.52th Pct (5,948 CMS svcs; Z +0.220σ) | CMS Medicare Part B (TN Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $201.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Chattanooga, TN) |
| Waiting-Room Wait Time & Cash Friendliness | $201.00 avg paid • 21 min lobby wait | 7 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.91/5 Listening • 4.50/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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