Dr. William Yoon, MD
9650 Gross Point Rd Ste 4900, Skokie, IL 60076 • +1-560-555-4092
Medical Education: Accredited U.S. Medical School (Class of 1999)
What This Doctor Actually Performs: CMS Medicare Utilization & Skokie Percentiles
NPI #1720368657 • CBSA Regional • Vascular Surgery
Statistical peer benchmarking across IL Vascular Surgery providers positions Dr. William Yoon, MD in Skokie at -0.60σ (33.33th city percentile / 13.33th state percentile, 488 Medicare beneficiaries), with clinical focus spanning 84 Active CMS HCPCS Codes.
Procedural volume for Dr. Yoon is led by HCPCS 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up — 339 annual services, $196–$268 GPCI cash estimate), followed by CPT 99213 (Established Preventive & Chronic Care Visit, 196/yr) and CPT 93000 (In-Office 12-Lead Resting Electrocardiogram, 98/yr).
Cash-pay intake data for NPI 1720368657 (9650 Gross Point Rd Ste 4900, Skokie) indicates $218.00 typical out-of-pocket visit spend against a $218.00 locality benchmark, paired with 13-minute average reception wait and 4.77/5 biomarker openness.
Spanning 27 years of clinical practice following 1999 graduation from medical training, Dr. William Yoon integrates 84 Active CMS HCPCS Codes diagnostics for Skokie metro patients.
Compared against Skokie, IL Vascular Surgery peers
753 annual services across 488 beneficiaries
Standard deviations from IL Vascular 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 | 339 | 33.33th | $196 – $268 |
| 99213 | Established Preventive & Chronic Care Visit | 196 | 33.33th | $150 – $205 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 98 | 30.33th | $71 – $98 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 75 | 33.33th | $230 – $315 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 45 | 32.33th | $272 – $373 |
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Dr. William Yoon, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Yoon National Provider Identifier | NPI #1720368657 (MD) | CMS NPPES Registry (60076) |
| Dr. Yoon Skokie CMS Volume Rank | 33.33th Pct (753 CMS svcs; Z -0.600σ) | CMS Medicare Part B (IL Vascular Surgery) |
| Fair Cash-Pay New-Patient Benchmark | $218.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Skokie, IL) |
| Waiting-Room Wait Time & Cash Friendliness | $218.00 avg paid • 13 min lobby wait | 13 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.92/5 Listening • 4.77/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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