Dr. John Marshall, MD
1110 W Peachtree St Nw Ste 920, Atlanta, GA 30309 • +1-760-555-3050
Medical Education: Accredited U.S. Medical School (Class of 1995)
What This Doctor Actually Performs: CMS Medicare Utilization & Atlanta Percentiles
NPI #1184676413 • CBSA 12060 • Interventional Cardiology
Within the Atlanta, GA (CBSA 12060) Interventional Cardiology cohort, Dr. John Marshall, MD with sub-specialty concentration in 21 Active CMS HCPCS Codes ranks at the 10.34th municipal percentile and 4.07th GA percentile (-0.97σ Z-score) based on 730 billed procedures for 349 patients.
Granular CPT/HCPCS billing distribution at 1110 W Peachtree St Nw Ste 920 shows Dr. John Marshall's primary concentration in Moderate-to-High Complexity Internal Medicine Follow-Up (code 99214: 329x/yr, 12th local percentile) alongside Established Preventive & Chronic Care Visit (99213: 190x/yr, $97–$133).
At 1110 W Peachtree St Nw Ste 920 (30309), Dr. John Marshall, MD accommodates direct self-pay scheduling (in-person clinic visits only) at ~$210.00 per new consult (4.90/5 bedside rating).
Spanning 31 years of clinical practice following 1995 graduation from medical training, Dr. John Marshall integrates 21 Active CMS HCPCS Codes diagnostics for Atlanta metro patients.
Compared against Atlanta, GA Interventional Cardiology peers
730 annual services across 349 beneficiaries
Standard deviations from GA Interventional Cardiology 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 | 329 | 12th | $127 – $174 |
| 99213 | Established Preventive & Chronic Care Visit | 190 | 15.34th | $97 – $133 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 95 | 12th | $46 – $63 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 73 | 12th | $149 – $204 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 44 | 12th | $176 – $241 |
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Dr. John Marshall, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Marshall National Provider Identifier | NPI #1184676413 (MD) | CMS NPPES Registry (30309) |
| Dr. Marshall Atlanta CMS Volume Rank | 10.34th Pct (730 CMS svcs; Z -0.967σ) | CMS Medicare Part B (GA Interventional Cardiology) |
| Fair Cash-Pay New-Patient Benchmark | $210.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Atlanta, GA) |
| Waiting-Room Wait Time & Cash Friendliness | $210.00 avg paid • 14 min lobby wait | 24 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.90/5 Listening • 4.87/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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