Dr. Yoojin Pak, MD
430 Warrenville Rd # 310, Lisle, IL 60532 • +1-244-555-8536
Medical Education: Accredited U.S. Medical School (Class of 2018)
What This Doctor Actually Performs: CMS Medicare Utilization & Lisle Percentiles
NPI #1003072877 • CBSA Regional • Endocrinology
Anchored in Lisle, IL 60532, Dr. Yoojin Pak, MD (NPI 1003072877) logged 8,689 annual procedures (focused low-volume boutique caseload (0th Lisle percentile), 83.97th IL percentile, +0.65σ) with sub-specialty concentration in 63 Active CMS HCPCS Codes.
Among 6 tracked CMS fee-schedule codes for Dr. Pak (averaging 20.6 services per beneficiary), 99214 (Complex Endocrine, Thyroid & Metabolic Biomarker Management) represents 17% of tracked volume (1437 encounters), paired with 95251 (719x).
At 430 Warrenville Rd # 310 (60532), Dr. Yoojin Pak, MD accommodates direct self-pay scheduling (hybrid in-clinic and telehealth video consults) at ~$218.00 per new consult (4.96/5 bedside rating).
Clinical background for Dr. Pak (MD, NPI #1003072877) includes accredited doctoral training (2018, 8 yrs in practice) and virtual + in-office availability across IL.
Compared against Lisle, IL Endocrinology peers
8,689 annual services across 421 beneficiaries
Standard deviations from IL Endocrinology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Complex Endocrine, Thyroid & Metabolic Biomarker Management | 1,437 | 12th | $47 – $65 |
| 95251 | Ambulatory Continuous Glucose Monitoring (CGM) Data Analysis | 719 | 12th | $29 – $44 |
| 76536 | High-Resolution Thyroid & Parathyroid Neck Ultrasound | 523 | 12th | $57 – $78 |
| 99204 | Comprehensive New Patient Endocrine & Hormone Workup | 392 | 12th | $65 – $89 |
| 99215 | High-Complexity Multi-Hormone & Insulin Pump Titration | 196 | 12th | $73 – $100 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (63 HCPCS billing breadth) | 5,422 | 0th | $45 – $65 |
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Dr. Yoojin Pak, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Pak National Provider Identifier | NPI #1003072877 (MD) | CMS NPPES Registry (60532) |
| Dr. Pak Lisle CMS Volume Rank | 0.00th Pct (8,689 CMS svcs; Z +0.653σ) | CMS Medicare Part B (IL Endocrinology) |
| Fair Cash-Pay New-Patient Benchmark | $218.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Lisle, IL) |
| Waiting-Room Wait Time & Cash Friendliness | $218.00 avg paid • 22 min lobby wait | 26 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.96/5 Listening • 4.90/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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