Dr. Ana Sierra De Aragon, MD
3303 E Baseline Rd Ste 203, Gilbert, AZ 85234 • +1-630-555-4762
Medical Education: Accredited U.S. Medical School (Class of 2015)
What This Doctor Actually Performs: CMS Medicare Utilization & Gilbert Percentiles
NPI #1306070750 • CBSA Regional • Internal Medicine
Statistical peer benchmarking across AZ Internal Medicine providers positions Dr. Ana Sierra De Aragon, MD in Gilbert at -0.05σ (86.96th city percentile / 78.82th state percentile, 138 Medicare beneficiaries), with clinical focus spanning 55 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1306070750 highlights 1268 annual claims for 99214 (86.96th Gilbert percentile; $78–$106 self-pay corridor) plus 733 encounters under 99213 and 366 under 93000.
Direct cash-pay transparency modeling sets Dr. Sierra De Aragon's baseline new-consult rate near $207.00 in Gilbert, AZ (cash-pay accepted, hybrid in-clinic and telehealth video consults, 14-minute average reception wait).
Clinical background for Dr. Sierra De Aragon (MD, NPI #1306070750) includes accredited doctoral training (2015, 11 yrs in practice) and virtual + in-office availability across AZ.
Compared against Gilbert, AZ Internal Medicine peers
3,168 annual services across 138 beneficiaries
Standard deviations from AZ 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 | 1,268 | 86.96th | $78 – $106 |
| 99213 | Established Preventive & Chronic Care Visit | 733 | 82.96th | $59 – $81 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 366 | 83.96th | $28 – $43 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 282 | 86.96th | $91 – $125 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 169 | 84.96th | $108 – $148 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (55 HCPCS billing breadth) | 350 | 86.96th | $70 – $102 |
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Dr. Ana Sierra De Aragon, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Sierra De Aragon National Provider Identifier | NPI #1306070750 (MD) | CMS NPPES Registry (85234) |
| Dr. Sierra De Aragon Gilbert CMS Volume Rank | 86.96th Pct (3,168 CMS svcs; Z -0.050σ) | CMS Medicare Part B (AZ Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $207.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Gilbert, AZ) |
| Waiting-Room Wait Time & Cash Friendliness | $207.00 avg paid • 14 min lobby wait | 14 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.71/5 Listening • 4.93/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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