Dr. William O'brien, MD
1221 N Highland Ave, Aurora, IL 60506 • +1-470-555-6679
Medical Education: Accredited U.S. Medical School (Class of 2001)
What This Doctor Actually Performs: CMS Medicare Utilization & Aurora Percentiles
NPI #1831101955 • CBSA Regional • General Surgery
Statistical peer benchmarking across IL General Surgery providers positions Dr. William O'brien, MD in Aurora at -0.21σ (66.67th city percentile / 50.41th state percentile, 517 Medicare beneficiaries), with clinical focus spanning 70 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1831101955 highlights 384 annual claims for 99214 (66.67th Aurora percentile; $300–$411 self-pay corridor) plus 222 encounters under 99213 and 111 under 93000.
Direct cash-pay transparency modeling sets Dr. O'brien's baseline new-consult rate near $218.00 in Aurora, IL (cash-pay accepted, in-person clinic visits only, 21-minute average reception wait).
Clinical background for Dr. O'brien (MD, NPI #1831101955) includes accredited doctoral training (2001, 25 yrs in practice) and dedicated on-site consultations at 1221 N Highland Ave.
Compared against Aurora, IL General Surgery peers
853 annual services across 517 beneficiaries
Standard deviations from IL General 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 | 384 | 66.67th | $300 – $411 |
| 99213 | Established Preventive & Chronic Care Visit | 222 | 66.67th | $229 – $314 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 111 | 65.67th | $109 – $150 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 85 | 62.67th | $352 – $482 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 51 | 62.67th | $417 – $571 |
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Dr. William O'brien, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. O'brien National Provider Identifier | NPI #1831101955 (MD) | CMS NPPES Registry (60506) |
| Dr. O'brien Aurora CMS Volume Rank | 66.67th Pct (853 CMS svcs; Z -0.208σ) | CMS Medicare Part B (IL General Surgery) |
| Fair Cash-Pay New-Patient Benchmark | $218.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Aurora, IL) |
| Waiting-Room Wait Time & Cash Friendliness | $218.00 avg paid • 21 min lobby wait | 21 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.72/5 Listening • 4.69/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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