Dr. Daniel Callahan, MD
3400 Old Milton Pkwy # C, Ste 425, Alpharetta, GA 30005 • +1-521-555-2729
Medical Education: Accredited U.S. Medical School (Class of 2012)
What This Doctor Actually Performs: CMS Medicare Utilization & Alpharetta Percentiles
NPI #1598761223 • CBSA Regional • Pulmonary Disease
Statistical peer benchmarking across GA Pulmonary Disease providers positions Dr. Daniel Callahan, MD in Alpharetta at -0.45σ (75th city percentile / 34.02th state percentile, 627 Medicare beneficiaries), with clinical focus spanning 24 Active CMS HCPCS Codes.
Procedural volume for Dr. Callahan is led by HCPCS 99214 (Established Pulmonary, Asthma & COPD Management — 474 annual services, $144–$198 GPCI cash estimate), followed by CPT 94060 (Pre- & Post-Bronchodilator Spirometry Airflow Evaluation, 266/yr) and CPT 94729 (Alveolar Carbon Monoxide Diffusing Capacity (DLCO), 197/yr).
Cash-pay intake data for NPI 1598761223 (3400 Old Milton Pkwy # C, Ste 425, Alpharetta) indicates $209.00 typical out-of-pocket visit spend against a $209.00 locality benchmark, paired with 16-minute average reception wait and 4.45/5 biomarker openness.
Clinical background for Dr. Callahan (MD, NPI #1598761223) includes accredited doctoral training (2012, 14 yrs in practice) and virtual + in-office availability across GA.
Compared against Alpharetta, GA Pulmonary Disease peers
1,156 annual services across 627 beneficiaries
Standard deviations from GA 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 | 474 | 75th | $144 – $198 |
| 94060 | Pre- & Post-Bronchodilator Spirometry Airflow Evaluation | 266 | 71th | $94 – $129 |
| 94729 | Alveolar Carbon Monoxide Diffusing Capacity (DLCO) | 197 | 80th | $85 – $117 |
| 95810 | Attended Sleep Apnea Polysomnography Interpretation | 127 | 74th | $264 – $362 |
| 99204 | Comprehensive New Patient Respiratory & Sleep Workup | 92 | 80th | $204 – $279 |
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Dr. Daniel Callahan, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Callahan National Provider Identifier | NPI #1598761223 (MD) | CMS NPPES Registry (30005) |
| Dr. Callahan Alpharetta CMS Volume Rank | 75.00th Pct (1,156 CMS svcs; Z -0.446σ) | CMS Medicare Part B (GA Pulmonary Disease) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Alpharetta, GA) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 16 min lobby wait | 26 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.69/5 Listening • 4.45/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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