Dr. Lillian De Leon, MD
2701 W 68th St, 3rd Floor Suite N, Chicago, IL 60629 • +1-940-555-3631
Medical Education: Accredited U.S. Medical School (Class of 2007)
What This Doctor Actually Performs: CMS Medicare Utilization & Chicago Percentiles
NPI #1134142193 • CBSA 16980 • Internal Medicine
Within the Chicago, IL (CBSA 16980) Internal Medicine cohort, Dr. Lillian De Leon, MD with sub-specialty concentration in 20 Active CMS HCPCS Codes ranks at the 13.53th municipal percentile and 9.03th IL percentile (-0.22σ Z-score) based on 725 billed procedures for 103 patients.
Granular CPT/HCPCS billing distribution at 2701 W 68th St, 3rd Floor Suite N shows Dr. Lillian De Leon's primary concentration in Moderate-to-High Complexity Internal Medicine Follow-Up (code 99214: 326x/yr, 13.53th local percentile) alongside Established Preventive & Chronic Care Visit (99213: 189x/yr, $97–$133).
Self-pay new patient consultations with Dr. De Leon (CPT 99204 GPCI-adjusted benchmark) estimate around $222.00 (community reported average: $222.00) with in-person clinic visits only, 12-minute average reception wait, and a 4.66/5 modern protocol openness score across 18 patient logs.
Patients evaluating Dr. Lillian De Leon in ZIP 60629 note 19 years of post-doctoral tenure (null, 2007) alongside 7.0 annual CMS procedures per patient.
Compared against Chicago, IL Internal Medicine peers
725 annual services across 103 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 | 326 | 13.53th | $127 – $174 |
| 99213 | Established Preventive & Chronic Care Visit | 189 | 14.53th | $97 – $133 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 94 | 12th | $46 – $64 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 73 | 17.53th | $149 – $204 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 44 | 12th | $177 – $242 |
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Dr. Lillian De Leon, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. De Leon National Provider Identifier | NPI #1134142193 (MD) | CMS NPPES Registry (60629) |
| Dr. De Leon Chicago CMS Volume Rank | 13.53th Pct (725 CMS svcs; Z -0.223σ) | CMS Medicare Part B (IL Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $222.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Chicago, IL) |
| Waiting-Room Wait Time & Cash Friendliness | $222.00 avg paid • 12 min lobby wait | 18 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.86/5 Listening • 4.66/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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