Dr. Seng Leong, MD
27750 W Highway 22, Barrington, IL 60010 • +1-413-555-6701
Medical Education: Accredited U.S. Medical School (Class of 1995)
What This Doctor Actually Performs: CMS Medicare Utilization & Barrington Percentiles
NPI #1487750790 • CBSA Regional • Internal Medicine
Dr. Seng Leong, MD (NPI #1487750790) practices Internal Medicine in Barrington, IL (60010) with sub-specialty concentration in 40 Active CMS HCPCS Codes, recording 4,209 annual CMS services across 682 distinct beneficiaries—placing this practice as a upper-quartile active clinical volume (66.67th Barrington percentile) (+0.08σ vs IL state mean, 86.82th statewide percentile).
Medicare Part B line-item claims for Dr. Seng Leong (60010) place 99214 at the top of the practice ledger (1540 yearly units, 66.67th metro rank), rounded out by 99213 and 93000.
Uninsured and high-deductible cash patients visiting Dr. Seng Leong in Barrington (60010) face an estimated $218.00 initial evaluation fee at 27750 W Highway 22 (in-person clinic visits only; 19-minute average reception wait; bedside manner 4.79/5 from 3 verified reports).
From 27750 W Highway 22 in Barrington (+1-413-555-6701), Dr. Leong, MD (31-year clinical track record) delivers 40 Active CMS HCPCS Codes care.
Compared against Barrington, IL Internal Medicine peers
4,209 annual services across 682 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 | 1,540 | 66.67th | $124 – $171 |
| 99213 | Established Preventive & Chronic Care Visit | 890 | 64.67th | $95 – $131 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 445 | 68.67th | $45 – $62 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 342 | 68.67th | $146 – $200 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 205 | 65.67th | $173 – $237 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (40 HCPCS billing breadth) | 786 | 66.67th | $112 – $162 |
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Dr. Seng Leong, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Leong National Provider Identifier | NPI #1487750790 (MD) | CMS NPPES Registry (60010) |
| Dr. Leong Barrington CMS Volume Rank | 66.67th Pct (4,209 CMS svcs; Z +0.077σ) | CMS Medicare Part B (IL Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $218.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Barrington, IL) |
| Waiting-Room Wait Time & Cash Friendliness | $218.00 avg paid • 19 min lobby wait | 3 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.79/5 Listening • 4.57/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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