Dr. William Warren, MD
2501 Citico Ave, Chattanooga, TN 37404 • +1-218-555-6775
Medical Education: Accredited U.S. Medical School (Class of 1998)
What This Doctor Actually Performs: CMS Medicare Utilization & Chattanooga Percentiles
NPI #1992704191 • CBSA Regional • Cardiology
Dr. William Warren, MD (NPI #1992704191) practices Cardiology in Chattanooga, TN (37404) with sub-specialty concentration in 49 Active CMS HCPCS Codes, recording 6,094 annual CMS services across 2,954 distinct beneficiaries—placing this practice as a top-decile high-throughput specialist (92.59th percentile in Chattanooga) (+0.15σ vs TN state mean, 86.12th statewide percentile).
Granular CPT/HCPCS billing distribution at 2501 Citico Ave shows Dr. William Warren's primary concentration in Established Cardiology Consultation & Hemodynamic Review (code 99214: 2316x/yr, 92.59th local percentile) alongside 12-Lead Resting Electrocardiogram (ECG) w/ Interpretation (93000: 1706x/yr, $25–$40).
Cash-pay intake data for NPI 1992704191 (2501 Citico Ave, Chattanooga) indicates $201.00 typical out-of-pocket visit spend against a $201.00 locality benchmark, paired with 20-minute average reception wait and 4.46/5 biomarker openness.
Spanning 28 years of clinical practice following 1998 graduation from medical training, Dr. William Warren integrates 49 Active CMS HCPCS Codes diagnostics for Chattanooga metro patients.
Top 10% Cardiology volume leader in Chattanooga, TN
6,094 annual services across 2,954 beneficiaries
Standard deviations from TN 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 | 2,316 | 92.59th | $52 – $72 |
| 93000 | 12-Lead Resting Electrocardiogram (ECG) w/ Interpretation | 1,706 | 97.59th | $25 – $40 |
| 93306 | Complete Transthoracic Echocardiography w/ Doppler & Color Flow | 1,097 | 87.59th | $98 – $134 |
| 93224 | 24-Hour Ambulatory ECG Rhythm Monitoring & Analysis | 609 | 96.59th | $61 – $84 |
| 99204 | Comprehensive New Patient Cardiovascular Risk Evaluation | 366 | 94.59th | $75 – $103 |
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Dr. William Warren, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Warren National Provider Identifier | NPI #1992704191 (MD) | CMS NPPES Registry (37404) |
| Dr. Warren Chattanooga CMS Volume Rank | 92.59th Pct (6,094 CMS svcs; Z +0.150σ) | CMS Medicare Part B (TN Cardiology) |
| Fair Cash-Pay New-Patient Benchmark | $201.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Chattanooga, TN) |
| Waiting-Room Wait Time & Cash Friendliness | $201.00 avg paid • 20 min lobby wait | 6 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.70/5 Listening • 4.46/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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