Dr. Stan Mathioulakis, MD
931 Buena Vista St, Suite 102, Duarte, CA 91010 • +1-838-555-6383
Medical Education: Accredited U.S. Medical School (Class of 2009)
What This Doctor Actually Performs: CMS Medicare Utilization & Duarte Percentiles
NPI #1912080847 • CBSA Regional • Internal Medicine
Operating out of Duarte, CA (931 Buena Vista St, Suite 102), Internal Medicine clinician Dr. Stan Mathioulakis, MD (accredited MD/DO training, 2009) maintains a mid-cohort balanced caseload (50th Duarte percentile) (56.73th CA percentile; Z-score -0.08σ across 1,760 documented services) with sub-specialty concentration in 29 Active CMS HCPCS Codes.
Dr. Mathioulakis's longitudinal care intensity (9.3 billed units per patient across 189 individuals) centers on 99214 (792 annual units) and 99213 ($115–$158 cash range).
Uninsured and high-deductible cash patients visiting Dr. Stan Mathioulakis in Duarte (91010) face an estimated $239.00 initial evaluation fee at 931 Buena Vista St, Suite 102 (hybrid in-clinic and telehealth video consults; 10-minute average reception wait; bedside manner 4.84/5 from 26 verified reports).
Spanning 17 years of clinical practice following 2009 graduation from medical training, Dr. Stan Mathioulakis integrates 29 Active CMS HCPCS Codes diagnostics for Duarte metro patients.
Compared against Duarte, CA Internal Medicine peers
1,760 annual services across 189 beneficiaries
Standard deviations from CA 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 | 792 | 50th | $150 – $206 |
| 99213 | Established Preventive & Chronic Care Visit | 458 | 51th | $115 – $158 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 229 | 51th | $55 – $75 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 176 | 48th | $176 – $242 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 106 | 51th | $209 – $286 |
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Dr. Stan Mathioulakis, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Mathioulakis National Provider Identifier | NPI #1912080847 (MD) | CMS NPPES Registry (91010) |
| Dr. Mathioulakis Duarte CMS Volume Rank | 50.00th Pct (1,760 CMS svcs; Z -0.077σ) | CMS Medicare Part B (CA Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Duarte, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 10 min lobby wait | 26 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.84/5 Listening • 4.48/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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