Dr. Aaron Shiels, MD
401 Roxbury Rd, Rockford, IL 61107 • +1-294-555-1197
Medical Education: Accredited U.S. Medical School (Class of 2005)
What This Doctor Actually Performs: CMS Medicare Utilization & Rockford Percentiles
NPI #1467448324 • CBSA Regional • Gastroenterology
Within the Rockford, IL (CBSA local) Gastroenterology cohort, Dr. Aaron Shiels, MD with sub-specialty concentration in 52 Active CMS HCPCS Codes ranks at the 61.54th municipal percentile and 91.33th IL percentile (+0.58σ Z-score) based on 6,720 billed procedures for 448 patients.
Fee-schedule auditing of NPI 1467448324 highlights 392 annual claims for 99214 (61.54th Rockford percentile; $46–$63 self-pay corridor) plus 265 encounters under 45380 and 223 under 43239.
Uninsured and high-deductible cash patients visiting Dr. Aaron Shiels in Rockford (61107) face an estimated $218.00 initial evaluation fee at 401 Roxbury Rd (hybrid in-clinic and telehealth video consults; 21-minute average reception wait; bedside manner 4.60/5 from 19 verified reports).
Patients evaluating Dr. Aaron Shiels in ZIP 61107 note 21 years of post-doctoral tenure (null, 2005) alongside 15.0 annual CMS procedures per patient.
Compared against Rockford, IL Gastroenterology peers
6,720 annual services across 448 beneficiaries
Standard deviations from IL Gastroenterology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Established Gastroenterology, GERD & IBD Evaluation | 392 | 61.54th | $46 – $63 |
| 45380 | Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy | 265 | 56.54th | $111 – $152 |
| 43239 | Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy | 223 | 62.54th | $92 – $127 |
| 45385 | Colonoscopy w/ Snare Polypectomy Lesion Removal | 106 | 65.54th | $124 – $170 |
| 99204 | New Patient Digestive & Hepatology Consultation | 74 | 56.54th | $65 – $89 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (52 HCPCS billing breadth) | 5,660 | 61.54th | $45 – $65 |
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Dr. Aaron Shiels, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Shiels National Provider Identifier | NPI #1467448324 (MD) | CMS NPPES Registry (61107) |
| Dr. Shiels Rockford CMS Volume Rank | 61.54th Pct (6,720 CMS svcs; Z +0.582σ) | CMS Medicare Part B (IL Gastroenterology) |
| Fair Cash-Pay New-Patient Benchmark | $218.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Rockford, IL) |
| Waiting-Room Wait Time & Cash Friendliness | $218.00 avg paid • 21 min lobby wait | 19 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.60/5 Listening • 4.50/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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