Dr. David Zenk, DO
1000 Des Peres Rd, Suite 310, Des Peres, MO 63131 • +1-805-555-4986
Medical Education: Accredited U.S. Medical School (Class of 2016)
What This Doctor Actually Performs: CMS Medicare Utilization & Des Peres Percentiles
NPI #1194164509 • CBSA Regional • Internal Medicine
Anchored in Des Peres, MO 63131, Dr. David Zenk, DO (NPI 1194164509) logged 1,129 annual procedures (focused low-volume boutique caseload (16.67th Des Peres percentile), 44.94th MO percentile, -0.14σ) with sub-specialty concentration in 34 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1194164509 highlights 446 annual claims for 99214 (16.67th Des Peres percentile; $148–$203 self-pay corridor) plus 258 encounters under 99213 and 129 under 93000.
Self-pay new patient consultations with Dr. Zenk (CPT 99204 GPCI-adjusted benchmark) estimate around $209.00 (community reported average: $209.00) with in-person clinic visits only, 20-minute average reception wait, and a 4.49/5 modern protocol openness score across 12 patient logs.
Spanning 10 years of clinical practice following 2016 graduation from medical training, Dr. David Zenk integrates 34 Active CMS HCPCS Codes diagnostics for Des Peres metro patients.
Compared against Des Peres, MO Internal Medicine peers
1,129 annual services across 229 beneficiaries
Standard deviations from MO Internal Medicine 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 | 446 | 16.67th | $148 – $203 |
| 99213 | Established Preventive & Chronic Care Visit | 258 | 13.67th | $113 – $155 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 129 | 15.67th | $54 – $74 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 99 | 18.67th | $174 – $238 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 60 | 12.67th | $206 – $282 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (34 HCPCS billing breadth) | 137 | 16.67th | $133 – $193 |
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Dr. David Zenk, DO Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Zenk National Provider Identifier | NPI #1194164509 (DO) | CMS NPPES Registry (63131) |
| Dr. Zenk Des Peres CMS Volume Rank | 16.67th Pct (1,129 CMS svcs; Z -0.137σ) | CMS Medicare Part B (MO Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Des Peres, MO) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 20 min lobby wait | 12 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.86/5 Listening • 4.49/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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