Dr. Maria Diaz, MD
4692 Brownsboro Rd, Winston Salem, NC 27106 • +1-423-555-3808
Medical Education: Accredited U.S. Medical School (Class of 2009)
What This Doctor Actually Performs: CMS Medicare Utilization & Winston Salem Percentiles
NPI #1972675775 • CBSA Regional • Family Practice
Operating out of Winston Salem, NC (4692 Brownsboro Rd), Family Practice clinician Dr. Maria Diaz, MD (accredited MD/DO training, 2009) maintains a upper-quartile active clinical volume (82.86th Winston Salem percentile) (56.53th NC percentile; Z-score -0.12σ across 1,796 documented services) with sub-specialty concentration in 12 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1972675775 highlights 754 annual claims for 99214 (82.86th Winston Salem percentile; $181–$248 self-pay corridor) plus 557 encounters under 99213 and 216 under G0439.
Direct cash-pay transparency modeling sets Dr. Diaz's baseline new-consult rate near $209.00 in Winston Salem, NC (cash-pay accepted, hybrid in-clinic and telehealth video consults, 19-minute average reception wait).
Patients evaluating Dr. Maria Diaz in ZIP 27106 note 17 years of post-doctoral tenure (null, 2009) alongside 3.7 annual CMS procedures per patient.
Compared against Winston Salem, NC Family Practice peers
1,796 annual services across 479 beneficiaries
Standard deviations from NC Family Practice mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Comprehensive Primary Care & Chronic Protocol Management | 754 | 82.86th | $181 – $248 |
| 99213 | Focused Acute & Preventive Primary Care Evaluation | 557 | 78.86th | $138 – $189 |
| G0439 | Annual Wellness Biomarker & Preventive Screening Visit | 216 | 80.86th | $207 – $284 |
| 36415 | Routine Venipuncture Blood Biomarker Collection | 162 | 81.86th | $39 – $54 |
| 99204 | New Patient Primary Care Intake & Diagnostic Plan | 108 | 84.86th | $248 – $340 |
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Dr. Maria Diaz, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Diaz National Provider Identifier | NPI #1972675775 (MD) | CMS NPPES Registry (27106) |
| Dr. Diaz Winston Salem CMS Volume Rank | 82.86th Pct (1,796 CMS svcs; Z -0.121σ) | CMS Medicare Part B (NC Family Practice) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Winston Salem, NC) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 19 min lobby wait | 11 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.65/5 Listening • 4.68/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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