Dr. James Marnock, MD
15 Jane Jacobs Rd Ste 101, Black Mountain, NC 28711 • +1-594-555-5073
Medical Education: Accredited U.S. Medical School (Class of 2000)
What This Doctor Actually Performs: CMS Medicare Utilization & Black Mountain Percentiles
NPI #1194899617 • CBSA Regional • Family Practice
Dr. James Marnock, MD (NPI #1194899617) practices Family Practice in Black Mountain, NC (28711) with sub-specialty concentration in 37 Active CMS HCPCS Codes, recording 2,132 annual CMS services across 429 distinct beneficiaries—placing this practice as a mid-cohort balanced caseload (50th Black Mountain percentile) (-0.09σ vs NC state mean, 64.54th statewide percentile).
Procedural volume for Dr. Marnock is led by HCPCS 99214 (Comprehensive Primary Care & Chronic Protocol Management — 895 annual services, $94–$128 GPCI cash estimate), followed by CPT 99213 (Focused Acute & Preventive Primary Care Evaluation, 661/yr) and CPT G0439 (Annual Wellness Biomarker & Preventive Screening Visit, 256/yr).
Self-pay new patient consultations with Dr. Marnock (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 4.91/5 modern protocol openness score across 17 patient logs.
From 15 Jane Jacobs Rd Ste 101 in Black Mountain (+1-594-555-5073), Dr. Marnock, MD (26-year clinical track record) delivers 37 Active CMS HCPCS Codes care.
Compared against Black Mountain, NC Family Practice peers
2,132 annual services across 429 beneficiaries
Standard deviations from NC Family Practice mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Comprehensive Primary Care & Chronic Protocol Management | 895 | 50th | $94 – $128 |
| 99213 | Focused Acute & Preventive Primary Care Evaluation | 661 | 48th | $72 – $98 |
| G0439 | Annual Wellness Biomarker & Preventive Screening Visit | 256 | 54th | $107 – $147 |
| 36415 | Routine Venipuncture Blood Biomarker Collection | 192 | 48th | $25 – $40 |
| 99204 | New Patient Primary Care Intake & Diagnostic Plan | 128 | 53th | $129 – $176 |
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Dr. James Marnock, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Marnock National Provider Identifier | NPI #1194899617 (MD) | CMS NPPES Registry (28711) |
| Dr. Marnock Black Mountain CMS Volume Rank | 50.00th Pct (2,132 CMS svcs; Z -0.091σ) | CMS Medicare Part B (NC Family Practice) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Black Mountain, NC) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 9 min lobby wait | 17 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.56/5 Listening • 4.91/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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