Dr. Marie Angelica Diaz, MD
1315 S Cliff Ave Ste 3000, Sioux Falls, SD 57105 • +1-580-555-2138
Medical Education: Accredited U.S. Medical School (Class of 2003)
What This Doctor Actually Performs: CMS Medicare Utilization & Sioux Falls Percentiles
NPI #1588072532 • CBSA Regional • Endocrinology
Statistical peer benchmarking across SD Endocrinology providers positions Dr. Marie Angelica Diaz, MD in Sioux Falls at -0.38σ (55.56th city percentile / 45.45th state percentile, 426 Medicare beneficiaries), with clinical focus spanning 17 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1588072532 highlights 563 annual claims for 99214 (55.56th Sioux Falls percentile; $99–$136 self-pay corridor) plus 281 encounters under 95251 and 205 under 76536.
For out-of-network patients contacting +1-580-555-2138, Dr. Diaz's practice posts a $209.00 GPCI self-pay consult estimate ($209.00 patient-logged median, 4.57/5 composite reality score over 20 submissions).
Credentialed as an MD specialist with 23 years post-graduation experience since completing medical school at an LCME/COCA institution (2003), Dr. Diaz coordinates 17 Active CMS HCPCS Codes workups from 1315 S Cliff Ave Ste 3000 (+1-580-555-2138).
Compared against Sioux Falls, SD Endocrinology peers
1,279 annual services across 426 beneficiaries
Standard deviations from SD Endocrinology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Complex Endocrine, Thyroid & Metabolic Biomarker Management | 563 | 55.56th | $99 – $136 |
| 95251 | Ambulatory Continuous Glucose Monitoring (CGM) Data Analysis | 281 | 54.56th | $62 – $85 |
| 76536 | High-Resolution Thyroid & Parathyroid Neck Ultrasound | 205 | 60.56th | $120 – $164 |
| 99204 | Comprehensive New Patient Endocrine & Hormone Workup | 153 | 56.56th | $136 – $187 |
| 99215 | High-Complexity Multi-Hormone & Insulin Pump Titration | 77 | 60.56th | $153 – $210 |
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Dr. Marie Angelica Diaz, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Diaz National Provider Identifier | NPI #1588072532 (MD) | CMS NPPES Registry (57105) |
| Dr. Diaz Sioux Falls CMS Volume Rank | 55.56th Pct (1,279 CMS svcs; Z -0.377σ) | CMS Medicare Part B (SD Endocrinology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Sioux Falls, SD) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 14 min lobby wait | 20 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.87/5 Listening • 4.40/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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