Dr. Sean Callahan, MD
200 Patewood DR Ste B300, Greenville, SC 29615 • +1-508-555-5697
Medical Education: Accredited U.S. Medical School (Class of 2000)
What This Doctor Actually Performs: CMS Medicare Utilization & Greenville Percentiles
NPI #1043505670 • CBSA Regional • Pulmonary Disease
Anchored in Greenville, SC 29615, Dr. Sean Callahan, MD (NPI 1043505670) logged 1,129 annual procedures (mid-cohort balanced caseload (46.15th Greenville percentile), 35.04th SC percentile, -0.28σ) with sub-specialty concentration in 62 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1043505670 highlights 463 annual claims for 99214 (46.15th Greenville percentile; $142–$195 self-pay corridor) plus 260 encounters under 94060 and 192 under 94729.
Uninsured and high-deductible cash patients visiting Dr. Sean Callahan in Greenville (29615) face an estimated $209.00 initial evaluation fee at 200 Patewood DR Ste B300 (hybrid in-clinic and telehealth video consults; 15-minute average reception wait; bedside manner 4.57/5 from 23 verified reports).
NPI registry verification (#1043505670) confirms Dr. Sean Callahan's MD standing serving CBSA 29615 with a 4.60/5 patient scorecard.
Compared against Greenville, SC Pulmonary Disease peers
1,129 annual services across 361 beneficiaries
Standard deviations from SC Pulmonary Disease 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 Pulmonary, Asthma & COPD Management | 463 | 46.15th | $142 – $195 |
| 94060 | Pre- & Post-Bronchodilator Spirometry Airflow Evaluation | 260 | 45.15th | $93 – $127 |
| 94729 | Alveolar Carbon Monoxide Diffusing Capacity (DLCO) | 192 | 43.15th | $84 – $115 |
| 95810 | Attended Sleep Apnea Polysomnography Interpretation | 124 | 43.15th | $260 – $356 |
| 99204 | Comprehensive New Patient Respiratory & Sleep Workup | 90 | 48.15th | $200 – $274 |
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Dr. Sean Callahan, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Callahan National Provider Identifier | NPI #1043505670 (MD) | CMS NPPES Registry (29615) |
| Dr. Callahan Greenville CMS Volume Rank | 46.15th Pct (1,129 CMS svcs; Z -0.277σ) | CMS Medicare Part B (SC Pulmonary Disease) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Greenville, SC) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 15 min lobby wait | 23 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.57/5 Listening • 4.71/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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