Dr. William Riesen, MD
1010 4th St Sw Ste 305, Mason City, IA 50401 • +1-675-555-1554
Medical Education: Accredited U.S. Medical School (Class of 2005)
What This Doctor Actually Performs: CMS Medicare Utilization & Mason City Percentiles
NPI #1548377997 • CBSA Regional • Internal Medicine
Statistical peer benchmarking across IA Internal Medicine providers positions Dr. William Riesen, MD in Mason City at -0.08σ (90th city percentile / 66.97th state percentile, 1,815 Medicare beneficiaries), with clinical focus spanning 20 Active CMS HCPCS Codes.
Procedural volume for Dr. Riesen is led by HCPCS 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up — 1755 annual services, $61–$84 GPCI cash estimate), followed by CPT 99213 (Established Preventive & Chronic Care Visit, 1014/yr) and CPT 93000 (In-Office 12-Lead Resting Electrocardiogram, 507/yr).
Direct cash-pay transparency modeling sets Dr. Riesen's baseline new-consult rate near $209.00 in Mason City, IA (cash-pay accepted, hybrid in-clinic and telehealth video consults, 21-minute average reception wait).
Clinical background for Dr. Riesen (MD, NPI #1548377997) includes accredited doctoral training (2005, 21 yrs in practice) and virtual + in-office availability across IA.
Top 10% Internal Medicine volume leader in Mason City, IA
3,901 annual services across 1,815 beneficiaries
Standard deviations from IA 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 | 1,755 | 90th | $61 – $84 |
| 99213 | Established Preventive & Chronic Care Visit | 1,014 | 89th | $47 – $64 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 507 | 85th | $25 – $40 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 390 | 91th | $72 – $99 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 234 | 86th | $85 – $117 |
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Dr. William Riesen, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Riesen National Provider Identifier | NPI #1548377997 (MD) | CMS NPPES Registry (50401) |
| Dr. Riesen Mason City CMS Volume Rank | 90.00th Pct (3,901 CMS svcs; Z -0.080σ) | CMS Medicare Part B (IA Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Mason City, IA) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 21 min lobby wait | 7 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.70/5 Listening • 4.69/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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