Dr. William Armstrong, MD
2501 Citico Ave, Chattanooga, TN 37404 • +1-218-555-6750
Medical Education: Accredited U.S. Medical School (Class of 2004)
What This Doctor Actually Performs: CMS Medicare Utilization & Chattanooga Percentiles
NPI #1902225014 • CBSA Regional • Cardiology
Dr. William Armstrong, MD (NPI #1902225014) practices Cardiology in Chattanooga, TN (37404) with sub-specialty concentration in 52 Active CMS HCPCS Codes, recording 3,167 annual CMS services across 1,615 distinct beneficiaries—placing this practice as a focused low-volume boutique caseload (33.33th Chattanooga percentile) (-0.13σ vs TN state mean, 55.52th statewide percentile).
Dr. Armstrong's longitudinal care intensity (2.0 billed units per patient across 1615 individuals) centers on 99214 (1203 annual units) and 93000 ($33–$48 cash range).
At 2501 Citico Ave (37404), Dr. William Armstrong, MD accommodates direct self-pay scheduling (in-person clinic visits only) at ~$201.00 per new consult (4.68/5 bedside rating).
From 2501 Citico Ave in Chattanooga (+1-218-555-6750), Dr. Armstrong, MD (22-year clinical track record) delivers 52 Active CMS HCPCS Codes care.
Compared against Chattanooga, TN Cardiology peers
3,167 annual services across 1,615 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 | 1,203 | 33.33th | $85 – $117 |
| 93000 | 12-Lead Resting Electrocardiogram (ECG) w/ Interpretation | 887 | 33.33th | $33 – $48 |
| 93306 | Complete Transthoracic Echocardiography w/ Doppler & Color Flow | 570 | 37.33th | $160 – $219 |
| 93224 | 24-Hour Ambulatory ECG Rhythm Monitoring & Analysis | 317 | 35.33th | $100 – $137 |
| 99204 | Comprehensive New Patient Cardiovascular Risk Evaluation | 190 | 31.33th | $122 – $168 |
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Dr. William Armstrong, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Armstrong National Provider Identifier | NPI #1902225014 (MD) | CMS NPPES Registry (37404) |
| Dr. Armstrong Chattanooga CMS Volume Rank | 33.33th Pct (3,167 CMS svcs; Z -0.130σ) | 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 • 22 min lobby wait | 18 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.68/5 Listening • 4.94/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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