Dr. Marcum Gillis, MD
195 Kimel Park DR Ste 200, Winston Salem, NC 27103 • +1-282-555-3153
Medical Education: Accredited U.S. Medical School (Class of 1999)
What This Doctor Actually Performs: CMS Medicare Utilization & Winston Salem Percentiles
NPI #1053571620 • CBSA Regional • Gastroenterology
Dr. Marcum Gillis, MD (NPI #1053571620) practices Gastroenterology in Winston Salem, NC (27103) with sub-specialty concentration in 42 Active CMS HCPCS Codes, recording 8,589 annual CMS services across 368 distinct beneficiaries—placing this practice as a upper-quartile active clinical volume (76.19th Winston Salem percentile) (+0.47σ vs NC state mean, 78.69th statewide percentile).
Medicare Part B line-item claims for Dr. Marcum Gillis (27103) place 99214 at the top of the practice ledger (244 yearly units, 76.19th metro rank), rounded out by 45380 and 43239.
Self-pay new patient consultations with Dr. Gillis (CPT 99204 GPCI-adjusted benchmark) estimate around $209.00 (community reported average: $209.00) with hybrid in-clinic and telehealth video consults, 9-minute average reception wait, and a 4.54/5 modern protocol openness score across 25 patient logs.
From 195 Kimel Park DR Ste 200 in Winston Salem (+1-282-555-3153), Dr. Gillis, MD (27-year clinical track record) delivers 42 Active CMS HCPCS Codes care.
Compared against Winston Salem, NC Gastroenterology peers
8,589 annual services across 368 beneficiaries
Standard deviations from NC Gastroenterology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Established Gastroenterology, GERD & IBD Evaluation | 244 | 76.19th | $42 – $57 |
| 45380 | Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy | 165 | 71.19th | $100 – $137 |
| 43239 | Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy | 138 | 74.19th | $83 – $114 |
| 45385 | Colonoscopy w/ Snare Polypectomy Lesion Removal | 66 | 79.19th | $112 – $153 |
| 99204 | New Patient Digestive & Hepatology Consultation | 46 | 76.19th | $59 – $80 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (42 HCPCS billing breadth) | 7,930 | 76.19th | $45 – $65 |
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Dr. Marcum Gillis, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Gillis National Provider Identifier | NPI #1053571620 (MD) | CMS NPPES Registry (27103) |
| Dr. Gillis Winston Salem CMS Volume Rank | 76.19th Pct (8,589 CMS svcs; Z +0.475σ) | CMS Medicare Part B (NC Gastroenterology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Winston Salem, NC) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 9 min lobby wait | 25 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.84/5 Listening • 4.54/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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