Dr. John Hemphill, MD
6602 Waters Ave, Building C, Savannah, GA 31406 • +1-634-555-8465
Medical Education: Accredited U.S. Medical School (Class of 2001)
What This Doctor Actually Performs: CMS Medicare Utilization & Savannah Percentiles
NPI #1285672329 • CBSA Regional • Neurology
Operating out of Savannah, GA (6602 Waters Ave, Building C), Neurology clinician Dr. John Hemphill, MD (accredited MD/DO training, 2001) maintains a top-decile high-throughput specialist (91.67th percentile in Savannah) (98.87th GA percentile; Z-score +4.49σ across 180,251 documented services) with sub-specialty concentration in 89 Active CMS HCPCS Codes.
Dr. Hemphill's longitudinal care intensity (259.4 billed units per patient across 695 individuals) centers on 99214 (3473 annual units) and 95910 ($74–$101 cash range).
Cash-pay intake data for NPI 1285672329 (6602 Waters Ave, Building C, Savannah) indicates $209.00 typical out-of-pocket visit spend against a $209.00 locality benchmark, paired with 15-minute average reception wait and 4.44/5 biomarker openness.
Spanning 25 years of clinical practice following 2001 graduation from medical training, Dr. John Hemphill integrates 89 Active CMS HCPCS Codes diagnostics for Savannah metro patients.
Top 10% Neurology volume leader in Savannah, GA
180,251 annual services across 695 beneficiaries
Standard deviations from GA Neurology 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 Neurologic, Migraine & Movement Evaluation | 3,473 | 91.67th | $45 – $61 |
| 95910 | 7–8 Nerve Conduction Electrodiagnostic Neuropathy Study | 1,654 | 90.67th | $74 – $101 |
| 95819 | Awake & Drowsy Electroencephalogram (EEG) Recording | 1,323 | 94.67th | $66 – $91 |
| 64615 | Chemodenervation of Cranial/Cervical Muscles for Chronic Migraine | 992 | 96.67th | $70 – $96 |
| 99204 | Comprehensive New Patient Neurologic Examination | 827 | 86.67th | $62 – $85 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (89 HCPCS billing breadth) | 171,983 | 91.67th | $45 – $65 |
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Dr. John Hemphill, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Hemphill National Provider Identifier | NPI #1285672329 (MD) | CMS NPPES Registry (31406) |
| Dr. Hemphill Savannah CMS Volume Rank | 91.67th Pct (180,251 CMS svcs; Z +4.485σ) | CMS Medicare Part B (GA Neurology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Savannah, GA) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 15 min lobby wait | 21 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.66/5 Listening • 4.44/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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