Dr. Sean Halligan, MD
4520 W 69th St, Sioux Falls, SD 57108 • +1-783-555-2390
Medical Education: Accredited U.S. Medical School (Class of 1997)
What This Doctor Actually Performs: CMS Medicare Utilization & Sioux Falls Percentiles
NPI #1174504658 • CBSA Regional • Interventional Cardiology
CMS Medicare Part B utilization records credit Dr. Sean Halligan (MD, NPI 1174504658) at 4520 W 69th St in Sioux Falls with 1,824 annual clinical services (1,008 beneficiaries), corresponding to a -0.74σ regional deviation and focused low-volume boutique caseload (11.11th Sioux Falls percentile) with sub-specialty concentration in 60 Active CMS HCPCS Codes.
Among 5 tracked CMS fee-schedule codes for Dr. Halligan (averaging 1.8 services per beneficiary), 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up) represents 45% of tracked volume (821 encounters), paired with 99213 (474x).
For out-of-network patients contacting +1-783-555-2390, Dr. Halligan's practice posts a $209.00 GPCI self-pay consult estimate ($209.00 patient-logged median, 4.93/5 composite reality score over 20 submissions).
NPI registry verification (#1174504658) confirms Dr. Sean Halligan's MD standing serving CBSA 57108 with a 4.93/5 patient scorecard.
Compared against Sioux Falls, SD Interventional Cardiology peers
1,824 annual services across 1,008 beneficiaries
Standard deviations from SD Interventional Cardiology 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 | 821 | 12th | $117 – $160 |
| 99213 | Established Preventive & Chronic Care Visit | 474 | 14.11th | $89 – $123 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 237 | 15.11th | $43 – $58 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 182 | 12th | $137 – $188 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 109 | 12th | $163 – $223 |
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Dr. Sean Halligan, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Halligan National Provider Identifier | NPI #1174504658 (MD) | CMS NPPES Registry (57108) |
| Dr. Halligan Sioux Falls CMS Volume Rank | 11.11th Pct (1,824 CMS svcs; Z -0.744σ) | CMS Medicare Part B (SD Interventional Cardiology) |
| 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 • 14 min lobby wait | 20 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.66/5 Listening • 4.54/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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