Dr. William Peterson, MD
1025 S 6th St, Springfield, IL 62703 • +1-493-555-8636
Medical Education: Accredited U.S. Medical School (Class of 2018)
What This Doctor Actually Performs: CMS Medicare Utilization & Springfield Percentiles
NPI #1174623854 • CBSA Regional • Gastroenterology
CMS Medicare Part B utilization records credit Dr. William Peterson (MD, NPI 1174623854) at 1025 S 6th St in Springfield with 8,479 annual clinical services (644 beneficiaries), corresponding to a +0.84σ regional deviation and upper-quartile active clinical volume (80th Springfield percentile) with sub-specialty concentration in 61 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 1025 S 6th St shows Dr. William Peterson's primary concentration in Established Gastroenterology, GERD & IBD Evaluation (code 99214: 3137x/yr, 80th local percentile) alongside Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy (45380: 2120x/yr, $140–$192).
For out-of-network patients contacting +1-493-555-8636, Dr. Peterson's practice posts a $218.00 GPCI self-pay consult estimate ($218.00 patient-logged median, 4.83/5 composite reality score over 26 submissions).
NPI registry verification (#1174623854) confirms Dr. William Peterson's MD standing serving CBSA 62703 with a 4.83/5 patient scorecard.
Compared against Springfield, IL Gastroenterology peers
8,479 annual services across 644 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 | 3,137 | 80th | $58 – $80 |
| 45380 | Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy | 2,120 | 79th | $140 – $192 |
| 43239 | Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy | 1,781 | 79th | $116 – $159 |
| 45385 | Colonoscopy w/ Snare Polypectomy Lesion Removal | 848 | 76th | $156 – $214 |
| 99204 | New Patient Digestive & Hepatology Consultation | 594 | 77th | $82 – $112 |
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Dr. William Peterson, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Peterson National Provider Identifier | NPI #1174623854 (MD) | CMS NPPES Registry (62703) |
| Dr. Peterson Springfield CMS Volume Rank | 80.00th Pct (8,479 CMS svcs; Z +0.839σ) | CMS Medicare Part B (IL Gastroenterology) |
| Fair Cash-Pay New-Patient Benchmark | $218.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Springfield, IL) |
| Waiting-Room Wait Time & Cash Friendliness | $218.00 avg paid • 12 min lobby wait | 26 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.93/5 Listening • 4.85/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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