Dr. John Hemphill, MD
2501 Citico Ave, Chattanooga, TN 37404 • +1-218-555-7781
Medical Education: Accredited U.S. Medical School (Class of 1995)
What This Doctor Actually Performs: CMS Medicare Utilization & Chattanooga Percentiles
NPI #1912188897 • CBSA Regional • Interventional Cardiology
Statistical peer benchmarking across TN Interventional Cardiology providers positions Dr. John Hemphill, MD in Chattanooga at -0.29σ (66.67th city percentile / 50.85th state percentile, 733 Medicare beneficiaries), with clinical focus spanning 43 Active CMS HCPCS Codes.
Dr. Hemphill's longitudinal care intensity (3.0 billed units per patient across 733 individuals) centers on 99214 (975 annual units) and 99213 ($90–$123 cash range).
Uninsured and high-deductible cash patients visiting Dr. John Hemphill in Chattanooga (37404) face an estimated $201.00 initial evaluation fee at 2501 Citico Ave (in-person clinic visits only; 20-minute average reception wait; bedside manner 4.80/5 from 18 verified reports).
Clinical background for Dr. Hemphill (MD, NPI #1912188897) includes accredited doctoral training (1995, 31 yrs in practice) and dedicated on-site consultations at 2501 Citico Ave.
Compared against Chattanooga, TN Interventional Cardiology peers
2,167 annual services across 733 beneficiaries
Standard deviations from TN 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 | 975 | 66.67th | $117 – $160 |
| 99213 | Established Preventive & Chronic Care Visit | 563 | 61.67th | $90 – $123 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 282 | 62.67th | $43 – $59 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 217 | 62.67th | $137 – $188 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 130 | 64.67th | $163 – $223 |
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Dr. John Hemphill, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Hemphill National Provider Identifier | NPI #1912188897 (MD) | CMS NPPES Registry (37404) |
| Dr. Hemphill Chattanooga CMS Volume Rank | 66.67th Pct (2,167 CMS svcs; Z -0.294σ) | CMS Medicare Part B (TN Interventional 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 | 18 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.80/5 Listening • 4.75/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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