Dr. John Herzog, MD
1421 E Union St, Greenville, MS 38703 • +1-545-555-7844
Medical Education: Accredited U.S. Medical School (Class of 1999)
What This Doctor Actually Performs: CMS Medicare Utilization & Greenville Percentiles
NPI #1093734949 • CBSA Regional • Cardiology
Statistical peer benchmarking across MS Cardiology providers positions Dr. John Herzog, MD in Greenville at +0.83σ (33.33th city percentile / 79.78th state percentile, 1,041 Medicare beneficiaries), with clinical focus spanning 88 Active CMS HCPCS Codes.
Procedural volume for Dr. Herzog is led by HCPCS 99214 (Established Cardiology Consultation & Hemodynamic Review — 3078 annual services, $106–$145 GPCI cash estimate), followed by CPT 93000 (12-Lead Resting Electrocardiogram (ECG) w/ Interpretation, 2268/yr) and CPT 93306 (Complete Transthoracic Echocardiography w/ Doppler & Color Flow, 1458/yr).
Cash-pay intake data for NPI 1093734949 (1421 E Union St, Greenville) indicates $209.00 typical out-of-pocket visit spend against a $209.00 locality benchmark, paired with 11-minute average reception wait and 4.52/5 biomarker openness.
NPI registry verification (#1093734949) confirms Dr. John Herzog's MD standing serving CBSA 38703 with a 4.72/5 patient scorecard.
Compared against Greenville, MS Cardiology peers
12,714 annual services across 1,041 beneficiaries
Standard deviations from MS 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 | Established Cardiology Consultation & Hemodynamic Review | 3,078 | 33.33th | $106 – $145 |
| 93000 | 12-Lead Resting Electrocardiogram (ECG) w/ Interpretation | 2,268 | 30.33th | $41 – $57 |
| 93306 | Complete Transthoracic Echocardiography w/ Doppler & Color Flow | 1,458 | 30.33th | $198 – $271 |
| 93224 | 24-Hour Ambulatory ECG Rhythm Monitoring & Analysis | 810 | 36.33th | $124 – $170 |
| 99204 | Comprehensive New Patient Cardiovascular Risk Evaluation | 486 | 33.33th | $152 – $208 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (88 HCPCS billing breadth) | 4,615 | 33.33th | $95 – $138 |
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Dr. John Herzog, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Herzog National Provider Identifier | NPI #1093734949 (MD) | CMS NPPES Registry (38703) |
| Dr. Herzog Greenville CMS Volume Rank | 33.33th Pct (12,714 CMS svcs; Z +0.833σ) | CMS Medicare Part B (MS Cardiology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Greenville, MS) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 11 min lobby wait | 19 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.57/5 Listening • 4.52/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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