Dr. Zachary Lonjers, MD
1 Barnes Jewish Hospital Plz, Div IM Pulmonary and Critical Care Medicine, Saint Louis, MO 63110 • +1-839-555-1453
Medical Education: Accredited U.S. Medical School (Class of 1999)
What This Doctor Actually Performs: CMS Medicare Utilization & Saint Louis Percentiles
NPI #1104205491 • CBSA Regional • Pulmonary Disease
Dr. Zachary Lonjers, MD (NPI #1104205491) practices Pulmonary Disease in Saint Louis, MO (63110) with sub-specialty concentration in 36 Active CMS HCPCS Codes, recording 950 annual CMS services across 402 distinct beneficiaries—placing this practice as a focused low-volume boutique caseload (16.22th Saint Louis percentile) (-0.59σ vs MO state mean, 22.38th statewide percentile).
Dr. Lonjers's longitudinal care intensity (2.4 billed units per patient across 402 individuals) centers on 99214 (380 annual units) and 94060 ($86–$118 cash range).
Self-pay new patient consultations with Dr. Lonjers (CPT 99204 GPCI-adjusted benchmark) estimate around $209.00 (community reported average: $209.00) with hybrid in-clinic and telehealth video consults, 15-minute average reception wait, and a 4.52/5 modern protocol openness score across 13 patient logs.
Clinical background for Dr. Lonjers (MD, NPI #1104205491) includes accredited doctoral training (1999, 27 yrs in practice) and virtual + in-office availability across MO.
Compared against Saint Louis, MO Pulmonary Disease peers
950 annual services across 402 beneficiaries
Standard deviations from MO 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 | 380 | 16.22th | $132 – $181 |
| 94060 | Pre- & Post-Bronchodilator Spirometry Airflow Evaluation | 213 | 12.22th | $86 – $118 |
| 94729 | Alveolar Carbon Monoxide Diffusing Capacity (DLCO) | 158 | 12.22th | $78 – $107 |
| 95810 | Attended Sleep Apnea Polysomnography Interpretation | 102 | 16.22th | $241 – $331 |
| 99204 | Comprehensive New Patient Respiratory & Sleep Workup | 74 | 20.22th | $186 – $255 |
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Dr. Zachary Lonjers, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Lonjers National Provider Identifier | NPI #1104205491 (MD) | CMS NPPES Registry (63110) |
| Dr. Lonjers Saint Louis CMS Volume Rank | 16.22th Pct (950 CMS svcs; Z -0.593σ) | CMS Medicare Part B (MO Pulmonary Disease) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Saint Louis, MO) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 15 min lobby wait | 13 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.59/5 Listening • 4.52/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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