Dr. Jefferson Gillum, DO
990 Oak Ridge Tpke, Oak Ridge, TN 37830 • +1-388-555-6827
Medical Education: Accredited U.S. Medical School (Class of 2016)
What This Doctor Actually Performs: CMS Medicare Utilization & Oak Ridge Percentiles
NPI #1891290656 • CBSA Regional • Internal Medicine
Statistical peer benchmarking across TN Internal Medicine providers positions Dr. Jefferson Gillum, DO in Oak Ridge at -0.39σ (45.45th city percentile / 16.19th state percentile, 237 Medicare beneficiaries), with clinical focus spanning 8 Active CMS HCPCS Codes.
Procedural volume for Dr. Gillum is led by HCPCS 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up — 369 annual services, $151–$207 GPCI cash estimate), followed by CPT 99213 (Established Preventive & Chronic Care Visit, 213/yr) and CPT 93000 (In-Office 12-Lead Resting Electrocardiogram, 107/yr).
Uninsured and high-deductible cash patients visiting Dr. Jefferson Gillum in Oak Ridge (37830) face an estimated $201.00 initial evaluation fee at 990 Oak Ridge Tpke (in-person clinic visits only; 14-minute average reception wait; bedside manner 4.80/5 from 12 verified reports).
Credentialed as an DO specialist with 10 years post-graduation experience since completing medical school at an LCME/COCA institution (2016), Dr. Gillum coordinates 8 Active CMS HCPCS Codes workups from 990 Oak Ridge Tpke (+1-388-555-6827).
Compared against Oak Ridge, TN Internal Medicine peers
820 annual services across 237 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 | 369 | 45.45th | $151 – $207 |
| 99213 | Established Preventive & Chronic Care Visit | 213 | 42.45th | $116 – $158 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 107 | 46.45th | $55 – $76 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 82 | 42.45th | $177 – $243 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 49 | 44.45th | $210 – $288 |
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Dr. Jefferson Gillum, DO Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Gillum National Provider Identifier | NPI #1891290656 (DO) | CMS NPPES Registry (37830) |
| Dr. Gillum Oak Ridge CMS Volume Rank | 45.45th Pct (820 CMS svcs; Z -0.385σ) | CMS Medicare Part B (TN Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $201.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Oak Ridge, TN) |
| Waiting-Room Wait Time & Cash Friendliness | $201.00 avg paid • 14 min lobby wait | 12 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.80/5 Listening • 4.70/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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