Dr. John Sonfield, MD
800 E Cheves St, Ste 260, Florence, SC 29506 • +1-977-555-4245
Medical Education: Accredited U.S. Medical School (Class of 2003)
What This Doctor Actually Performs: CMS Medicare Utilization & Florence Percentiles
NPI #1306810718 • CBSA Regional • General Surgery
CMS Medicare Part B utilization records credit Dr. John Sonfield (MD, NPI 1306810718) at 800 E Cheves St, Ste 260 in Florence with 2,236 annual clinical services (777 beneficiaries), corresponding to a +1.23σ regional deviation and upper-quartile active clinical volume (71.43th Florence percentile) with sub-specialty concentration in 117 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 800 E Cheves St, Ste 260 shows Dr. John Sonfield's primary concentration in Moderate-to-High Complexity Internal Medicine Follow-Up (code 99214: 1006x/yr, 71.43th local percentile) alongside Established Preventive & Chronic Care Visit (99213: 581x/yr, $148–$202).
For out-of-network patients contacting +1-977-555-4245, Dr. Sonfield's practice posts a $209.00 GPCI self-pay consult estimate ($209.00 patient-logged median, 4.60/5 composite reality score over 23 submissions).
Patients evaluating Dr. John Sonfield in ZIP 29506 note 23 years of post-doctoral tenure (null, 2003) alongside 2.9 annual CMS procedures per patient.
Compared against Florence, SC General Surgery peers
2,236 annual services across 777 beneficiaries
Standard deviations from SC General Surgery 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 | 1,006 | 71.43th | $193 – $264 |
| 99213 | Established Preventive & Chronic Care Visit | 581 | 72.43th | $148 – $202 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 291 | 67.43th | $70 – $97 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 224 | 71.43th | $226 – $310 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 134 | 74.43th | $268 – $368 |
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Dr. John Sonfield, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Sonfield National Provider Identifier | NPI #1306810718 (MD) | CMS NPPES Registry (29506) |
| Dr. Sonfield Florence CMS Volume Rank | 71.43th Pct (2,236 CMS svcs; Z +1.233σ) | CMS Medicare Part B (SC General Surgery) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Florence, SC) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 19 min lobby wait | 23 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.96/5 Listening • 4.53/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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