Dr. Wendi Marcus, MD
15 S Mchenry Rd, Buffalo Grove, IL 60089 • +1-371-555-6274
Medical Education: Accredited U.S. Medical School (Class of 1995)
What This Doctor Actually Performs: CMS Medicare Utilization & Buffalo Grove Percentiles
NPI #1548249113 • CBSA Regional • Internal Medicine
Within the Buffalo Grove, IL (CBSA local) Internal Medicine cohort, Dr. Wendi Marcus, MD with sub-specialty concentration in 34 Active CMS HCPCS Codes ranks at the 7.69th municipal percentile and 34.77th IL percentile (-0.19σ Z-score) based on 1,065 billed procedures for 277 patients.
Procedural volume for Dr. Marcus is led by HCPCS 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up — 444 annual services, $171–$234 GPCI cash estimate), followed by CPT 99213 (Established Preventive & Chronic Care Visit, 257/yr) and CPT 93000 (In-Office 12-Lead Resting Electrocardiogram, 128/yr).
At 15 S Mchenry Rd (60089), Dr. Wendi Marcus, MD accommodates direct self-pay scheduling (in-person clinic visits only) at ~$218.00 per new consult (4.76/5 bedside rating).
Clinical background for Dr. Marcus (MD, NPI #1548249113) includes accredited doctoral training (1995, 31 yrs in practice) and dedicated on-site consultations at 15 S Mchenry Rd.
Compared against Buffalo Grove, IL Internal Medicine peers
1,065 annual services across 277 beneficiaries
Standard deviations from IL 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 | 444 | 12th | $171 – $234 |
| 99213 | Established Preventive & Chronic Care Visit | 257 | 12th | $131 – $179 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 128 | 12th | $62 – $86 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 99 | 12th | $201 – $275 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 59 | 12th | $238 – $326 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (34 HCPCS billing breadth) | 78 | 7.69th | $154 – $223 |
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Dr. Wendi Marcus, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Marcus National Provider Identifier | NPI #1548249113 (MD) | CMS NPPES Registry (60089) |
| Dr. Marcus Buffalo Grove CMS Volume Rank | 7.69th Pct (1,065 CMS svcs; Z -0.194σ) | CMS Medicare Part B (IL Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $218.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Buffalo Grove, IL) |
| Waiting-Room Wait Time & Cash Friendliness | $218.00 avg paid • 9 min lobby wait | 3 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.76/5 Listening • 4.84/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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