Dr. Zachary Marshall, MD
205 N Oak St Unit B, Roanoke, TX 76262 • +1-939-555-4512
Medical Education: Accredited U.S. Medical School (Class of 1995)
What This Doctor Actually Performs: CMS Medicare Utilization & Roanoke Percentiles
NPI #1912343419 • CBSA Regional • Allergy/ Immunology
CMS Medicare Part B utilization records credit Dr. Zachary Marshall (MD, NPI 1912343419) at 205 N Oak St Unit B in Roanoke with 5,865 annual clinical services (181 beneficiaries), corresponding to a -0.22σ regional deviation and top-decile high-throughput specialist (99th percentile in Roanoke) with sub-specialty concentration in 39 Active CMS HCPCS Codes.
Dr. Marshall's longitudinal care intensity (32.4 billed units per patient across 181 individuals) centers on 99214 (2289 annual units) and 99213 ($33–$48 cash range).
At 205 N Oak St Unit B (76262), Dr. Zachary Marshall, MD accommodates direct self-pay scheduling (in-person clinic visits only) at ~$209.00 per new consult (4.58/5 bedside rating).
From 205 N Oak St Unit B in Roanoke (+1-939-555-4512), Dr. Marshall, MD (31-year clinical track record) delivers 39 Active CMS HCPCS Codes care.
Top 10% Allergy/ Immunology volume leader in Roanoke, TX
5,865 annual services across 181 beneficiaries
Standard deviations from TX Allergy/ Immunology 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 | 2,289 | 99th | $43 – $60 |
| 99213 | Established Preventive & Chronic Care Visit | 1,323 | 97th | $33 – $48 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 661 | 99.5th | $25 – $40 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 509 | 97th | $51 – $70 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 305 | 99th | $60 – $83 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (39 HCPCS billing breadth) | 778 | 99th | $45 – $65 |
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Dr. Zachary Marshall, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Marshall National Provider Identifier | NPI #1912343419 (MD) | CMS NPPES Registry (76262) |
| Dr. Marshall Roanoke CMS Volume Rank | 99.00th Pct (5,865 CMS svcs; Z -0.224σ) | CMS Medicare Part B (TX Allergy/ Immunology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Roanoke, TX) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 19 min lobby wait | 3 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.58/5 Listening • 4.93/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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