Dr. Mark Van Ess, DO
1229 E Seminole St Ste 520, Springfield, MO 65804 • +1-615-555-8511
Medical Education: Accredited U.S. Medical School (Class of 2002)
What This Doctor Actually Performs: CMS Medicare Utilization & Springfield Percentiles
NPI #1841404613 • CBSA Regional • Otolaryngology
Dr. Mark Van Ess, DO (NPI #1841404613) practices Otolaryngology in Springfield, MO (65804) with sub-specialty concentration in 49 Active CMS HCPCS Codes, recording 1,035 annual CMS services across 385 distinct beneficiaries—placing this practice as a upper-quartile active clinical volume (87.5th Springfield percentile) (-0.27σ vs MO state mean, 45.54th statewide percentile).
Fee-schedule auditing of NPI 1841404613 highlights 352 annual claims for 99213 (87.5th Springfield percentile; $164–$225 self-pay corridor) plus 259 encounters under 31231 and 197 under 31575.
Cash-pay intake data for NPI 1841404613 (1229 E Seminole St Ste 520, Springfield) indicates $209.00 typical out-of-pocket visit spend against a $209.00 locality benchmark, paired with 12-minute average reception wait and 4.73/5 biomarker openness.
Clinical background for Dr. Van Ess (DO, NPI #1841404613) includes accredited doctoral training (2002, 24 yrs in practice) and virtual + in-office availability across MO.
Compared against Springfield, MO Otolaryngology peers
1,035 annual services across 385 beneficiaries
Standard deviations from MO Otolaryngology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99213 | Focused Ear, Nose, Sinus & Throat Examination | 352 | 87.5th | $164 – $225 |
| 31231 | Diagnostic Rigid/Flexible Nasal & Sinus Endoscopy | 259 | 89.5th | $331 – $453 |
| 31575 | Flexible Fiberoptic Laryngoscopy Vocal Cord Inspection | 197 | 84.5th | $241 – $331 |
| 92557 | Comprehensive Pure-Tone Audiometry & Speech Recognition | 135 | 83.5th | $116 – $159 |
| 69210 | Instrumented Impacted Cerumen Removal Under Microscopy | 93 | 89.5th | $104 – $142 |
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Dr. Mark Van Ess, DO Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Van Ess National Provider Identifier | NPI #1841404613 (DO) | CMS NPPES Registry (65804) |
| Dr. Van Ess Springfield CMS Volume Rank | 87.50th Pct (1,035 CMS svcs; Z -0.271σ) | CMS Medicare Part B (MO Otolaryngology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Springfield, MO) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 12 min lobby wait | 16 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.95/5 Listening • 4.73/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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