Dr. David Chang, MD
704 N A St, Easley, SC 29640 • +1-518-555-3220
Medical Education: Accredited U.S. Medical School (Class of 2009)
What This Doctor Actually Performs: CMS Medicare Utilization & Easley Percentiles
NPI #1487638581 • CBSA Regional • Internal Medicine
Operating out of Easley, SC (704 N A St), Internal Medicine clinician Dr. David Chang, MD (accredited MD/DO training, 2009) maintains a upper-quartile active clinical volume (80th Easley percentile) (86.99th SC percentile; Z-score +0.21σ across 6,453 documented services) with sub-specialty concentration in 49 Active CMS HCPCS Codes.
Medicare Part B line-item claims for Dr. David Chang (29640) place 99214 at the top of the practice ledger (2357 yearly units, 80th metro rank), rounded out by 99213 and 93000.
Cash-pay intake data for NPI 1487638581 (704 N A St, Easley) indicates $209.00 typical out-of-pocket visit spend against a $209.00 locality benchmark, paired with 15-minute average reception wait and 4.41/5 biomarker openness.
Clinical background for Dr. Chang (MD, NPI #1487638581) includes accredited doctoral training (2009, 17 yrs in practice) and virtual + in-office availability across SC.
Compared against Easley, SC Internal Medicine peers
6,453 annual services across 521 beneficiaries
Standard deviations from SC Internal Medicine 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 | 2,357 | 80th | $83 – $114 |
| 99213 | Established Preventive & Chronic Care Visit | 1,362 | 82th | $63 – $87 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 681 | 82th | $30 – $45 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 524 | 76th | $97 – $133 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 314 | 82th | $115 – $158 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (49 HCPCS billing breadth) | 1,215 | 80th | $75 – $109 |
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Dr. David Chang, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chang National Provider Identifier | NPI #1487638581 (MD) | CMS NPPES Registry (29640) |
| Dr. Chang Easley CMS Volume Rank | 80.00th Pct (6,453 CMS svcs; Z +0.214σ) | CMS Medicare Part B (SC Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Easley, SC) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 15 min lobby wait | 17 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.83/5 Listening • 4.41/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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