Dr. David Marks, MD
111 Wakelee Ave, Ansonia, CT 06401 • +1-650-555-4388
Medical Education: Accredited U.S. Medical School (Class of 2008)
What This Doctor Actually Performs: CMS Medicare Utilization & Ansonia Percentiles
NPI #1841486149 • CBSA Regional • Internal Medicine
Operating out of Ansonia, CT (111 Wakelee Ave), Internal Medicine clinician Dr. David Marks, MD (accredited MD/DO training, 2008) maintains a upper-quartile active clinical volume (66.67th Ansonia percentile) (51.61th CT percentile; Z-score -0.15σ across 1,093 documented services) with sub-specialty concentration in 35 Active CMS HCPCS Codes.
Dr. Marks's longitudinal care intensity (5.2 billed units per patient across 210 individuals) centers on 99214 (480 annual units) and 99213 ($91–$125 cash range).
Self-pay new patient consultations with Dr. Marks (CPT 99204 GPCI-adjusted benchmark) estimate around $209.00 (community reported average: $209.00) with hybrid in-clinic and telehealth video consults, 13-minute average reception wait, and a 4.93/5 modern protocol openness score across 19 patient logs.
Spanning 18 years of clinical practice following 2008 graduation from medical training, Dr. David Marks integrates 35 Active CMS HCPCS Codes diagnostics for Ansonia metro patients.
Compared against Ansonia, CT Internal Medicine peers
1,093 annual services across 210 beneficiaries
Standard deviations from CT 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 | 480 | 66.67th | $119 – $163 |
| 99213 | Established Preventive & Chronic Care Visit | 277 | 65.67th | $91 – $125 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 139 | 71.67th | $44 – $60 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 107 | 69.67th | $140 – $192 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 64 | 61.67th | $166 – $227 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (35 HCPCS billing breadth) | 27 | 66.67th | $108 – $157 |
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Dr. David Marks, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Marks National Provider Identifier | NPI #1841486149 (MD) | CMS NPPES Registry (06401) |
| Dr. Marks Ansonia CMS Volume Rank | 66.67th Pct (1,093 CMS svcs; Z -0.151σ) | CMS Medicare Part B (CT Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Ansonia, CT) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 13 min lobby wait | 19 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.66/5 Listening • 4.93/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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