Dr. Shirley Williams, MD
1000 Flower Mound Rd, Flower Mound, TX 75028 • +1-381-555-2902
Medical Education: Accredited U.S. Medical School (Class of 2014)
What This Doctor Actually Performs: CMS Medicare Utilization & Flower Mound Percentiles
NPI #1346298304 • CBSA Regional • Cardiology
Dr. Shirley Williams, MD (NPI #1346298304) practices Cardiology in Flower Mound, TX (75028) with sub-specialty concentration in 44 Active CMS HCPCS Codes, recording 4,209 annual CMS services across 1,526 distinct beneficiaries—placing this practice as a focused low-volume boutique caseload (33.33th Flower Mound percentile) (+0.09σ vs TX state mean, 70.63th statewide percentile).
Dr. Williams's longitudinal care intensity (2.8 billed units per patient across 1526 individuals) centers on 99214 (1599 annual units) and 93000 ($47–$65 cash range).
Self-pay new patient consultations with Dr. Williams (CPT 99204 GPCI-adjusted benchmark) estimate around $209.00 (community reported average: $209.00) with hybrid in-clinic and telehealth video consults, 14-minute average reception wait, and a 4.53/5 modern protocol openness score across 10 patient logs.
Patients evaluating Dr. Shirley Williams in ZIP 75028 note 12 years of post-doctoral tenure (null, 2014) alongside 2.8 annual CMS procedures per patient.
Compared against Flower Mound, TX Cardiology peers
4,209 annual services across 1,526 beneficiaries
Standard deviations from TX Cardiology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Established Cardiology Consultation & Hemodynamic Review | 1,599 | 33.33th | $121 – $165 |
| 93000 | 12-Lead Resting Electrocardiogram (ECG) w/ Interpretation | 1,179 | 34.33th | $47 – $65 |
| 93306 | Complete Transthoracic Echocardiography w/ Doppler & Color Flow | 758 | 32.33th | $225 – $309 |
| 93224 | 24-Hour Ambulatory ECG Rhythm Monitoring & Analysis | 421 | 28.33th | $142 – $194 |
| 99204 | Comprehensive New Patient Cardiovascular Risk Evaluation | 253 | 37.33th | $173 – $237 |
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Dr. Shirley Williams, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Williams National Provider Identifier | NPI #1346298304 (MD) | CMS NPPES Registry (75028) |
| Dr. Williams Flower Mound CMS Volume Rank | 33.33th Pct (4,209 CMS svcs; Z +0.085σ) | CMS Medicare Part B (TX Cardiology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Flower Mound, TX) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 14 min lobby wait | 10 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.67/5 Listening • 4.53/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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