Dr. Stephen Luddington, MD
1325 S Cliff Ave, Sioux Falls, SD 57105 • +1-580-555-5500
Medical Education: Accredited U.S. Medical School (Class of 1998)
What This Doctor Actually Performs: CMS Medicare Utilization & Sioux Falls Percentiles
NPI #1265995609 • CBSA Regional • Hospitalist
Dr. Stephen Luddington, MD (NPI #1265995609) practices Hospitalist in Sioux Falls, SD (57105) with sub-specialty concentration in 18 Active CMS HCPCS Codes, recording 1,569 annual CMS services across 1,026 distinct beneficiaries—placing this practice as a upper-quartile active clinical volume (88.46th Sioux Falls percentile) (+2.05σ vs SD state mean, 89.19th statewide percentile).
Among 5 tracked CMS fee-schedule codes for Dr. Luddington (averaging 1.5 services per beneficiary), 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up) represents 45% of tracked volume (706 encounters), paired with 99213 (408x).
Direct cash-pay transparency modeling sets Dr. Luddington's baseline new-consult rate near $209.00 in Sioux Falls, SD (cash-pay accepted, in-person clinic visits only, 21-minute average reception wait).
Clinical background for Dr. Luddington (MD, NPI #1265995609) includes accredited doctoral training (1998, 28 yrs in practice) and dedicated on-site consultations at 1325 S Cliff Ave.
Compared against Sioux Falls, SD Hospitalist peers
1,569 annual services across 1,026 beneficiaries
Standard deviations from SD Hospitalist 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 | 706 | 88.46th | $106 – $146 |
| 99213 | Established Preventive & Chronic Care Visit | 408 | 89.46th | $81 – $111 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 204 | 86.46th | $39 – $54 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 157 | 93.46th | $125 – $171 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 94 | 89.46th | $148 – $203 |
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Dr. Stephen Luddington, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Luddington National Provider Identifier | NPI #1265995609 (MD) | CMS NPPES Registry (57105) |
| Dr. Luddington Sioux Falls CMS Volume Rank | 88.46th Pct (1,569 CMS svcs; Z +2.050σ) | CMS Medicare Part B (SD Hospitalist) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Sioux Falls, SD) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 21 min lobby wait | 9 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.61/5 Listening • 4.70/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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