Dr. Anna Izquierdo-Porrera, MD
11120 New Hampshire Ave Ste 509, Silver Spring, MD 20904 • +1-600-555-1033
Medical Education: Accredited U.S. Medical School (Class of 1998)
What This Doctor Actually Performs: CMS Medicare Utilization & Silver Spring Percentiles
NPI #1033281910 • CBSA Regional • Internal Medicine
Within the Silver Spring, MD (CBSA local) Internal Medicine cohort, Dr. Anna Izquierdo-Porrera, MD with sub-specialty concentration in 33 Active CMS HCPCS Codes ranks at the 0th municipal percentile and 0.23th MD percentile (-0.17σ Z-score) based on 633 billed procedures for 109 patients.
Procedural volume for Dr. Izquierdo-Porrera is led by HCPCS 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up — 285 annual services, $137–$187 GPCI cash estimate), followed by CPT 99213 (Established Preventive & Chronic Care Visit, 165/yr) and CPT 93000 (In-Office 12-Lead Resting Electrocardiogram, 82/yr).
Direct cash-pay transparency modeling sets Dr. Izquierdo-Porrera's baseline new-consult rate near $209.00 in Silver Spring, MD (cash-pay accepted, in-person clinic visits only, 17-minute average reception wait).
NPI registry verification (#1033281910) confirms Dr. Anna Izquierdo-Porrera's MD standing serving CBSA 20904 with a 4.78/5 patient scorecard.
Compared against Silver Spring, MD Internal Medicine peers
633 annual services across 109 beneficiaries
Standard deviations from MD 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 | 285 | 12th | $137 – $187 |
| 99213 | Established Preventive & Chronic Care Visit | 165 | 12th | $105 – $143 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 82 | 12th | $50 – $68 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 63 | 12th | $160 – $220 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 38 | 12th | $190 – $260 |
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Dr. Anna Izquierdo-Porrera, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Izquierdo-Porrera National Provider Identifier | NPI #1033281910 (MD) | CMS NPPES Registry (20904) |
| Dr. Izquierdo-Porrera Silver Spring CMS Volume Rank | 0.00th Pct (633 CMS svcs; Z -0.166σ) | CMS Medicare Part B (MD Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Silver Spring, MD) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 17 min lobby wait | 21 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.75/5 Listening • 4.47/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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