Dr. John Marshall, MD
7777 Forest Ln, Dallas, TX 75230 • +1-398-555-2083
Medical Education: Accredited U.S. Medical School (Class of 2005)
What This Doctor Actually Performs: CMS Medicare Utilization & Dallas Percentiles
NPI #1437135563 • CBSA 19100 • Emergency Medicine
Within the Dallas, TX (CBSA 19100) Emergency Medicine cohort, Dr. John Marshall, MD with sub-specialty concentration in 18 Active CMS HCPCS Codes ranks at the 24.19th municipal percentile and 22.13th TX percentile (-0.11σ Z-score) based on 709 billed procedures for 428 patients.
Among 5 tracked CMS fee-schedule codes for Dr. Marshall (averaging 1.7 services per beneficiary), 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up) represents 45% of tracked volume (319 encounters), paired with 99213 (184x).
Cash-pay intake data for NPI 1437135563 (7777 Forest Ln, Dallas) indicates $211.00 typical out-of-pocket visit spend against a $211.00 locality benchmark, paired with 15-minute average reception wait and 4.85/5 biomarker openness.
Credentialed as an MD specialist with 21 years post-graduation experience since completing medical school at an LCME/COCA institution (2005), Dr. Marshall coordinates 18 Active CMS HCPCS Codes workups from 7777 Forest Ln (+1-398-555-2083).
Compared against Dallas, TX Emergency Medicine peers
709 annual services across 428 beneficiaries
Standard deviations from TX Emergency 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 | 319 | 24.19th | $171 – $234 |
| 99213 | Established Preventive & Chronic Care Visit | 184 | 26.19th | $131 – $179 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 92 | 19.19th | $62 – $85 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 71 | 23.19th | $200 – $274 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 43 | 21.19th | $237 – $325 |
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Dr. John Marshall, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Marshall National Provider Identifier | NPI #1437135563 (MD) | CMS NPPES Registry (75230) |
| Dr. Marshall Dallas CMS Volume Rank | 24.19th Pct (709 CMS svcs; Z -0.107σ) | CMS Medicare Part B (TX Emergency Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $211.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Dallas, TX) |
| Waiting-Room Wait Time & Cash Friendliness | $211.00 avg paid • 15 min lobby wait | 19 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.96/5 Listening • 4.85/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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