Dr. Elizabeth Williams, MD
12855 N. Forty DR., Ste 375, St. Louis, MO 63141 • +1-642-555-8853
Medical Education: Accredited U.S. Medical School (Class of 1994)
What This Doctor Actually Performs: CMS Medicare Utilization & St. Louis Percentiles
NPI #1790802429 • CBSA Regional • Urology
Operating out of St. Louis, MO (12855 N. Forty DR., Ste 375), Urology clinician Dr. Elizabeth Williams, MD (accredited MD/DO training, 1994) maintains a mid-cohort balanced caseload (50th St. Louis percentile) (96.55th MO percentile; Z-score +2.27σ across 34,804 documented services) with sub-specialty concentration in 75 Active CMS HCPCS Codes.
Procedural volume for Dr. Williams is led by HCPCS 99214 (Established Urologic, BPH & Androgen Evaluation — 1808 annual services, $43–$60 GPCI cash estimate), followed by CPT 51798 (Ultrasound Measurement of Post-Void Residual Urine Capacity, 1356/yr) and CPT 52000 (Diagnostic Cystourethroscopy Lower Urinary Tract Inspection, 854/yr).
Direct cash-pay transparency modeling sets Dr. Williams's baseline new-consult rate near $209.00 in St. Louis, MO (cash-pay accepted, hybrid in-clinic and telehealth video consults, 15-minute average reception wait).
Spanning 32 years of clinical practice following 1994 graduation from medical training, Dr. Elizabeth Williams integrates 75 Active CMS HCPCS Codes diagnostics for St. Louis metro patients.
Compared against St. Louis, MO Urology peers
34,804 annual services across 975 beneficiaries
Standard deviations from MO Urology 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 Urologic, BPH & Androgen Evaluation | 1,808 | 50th | $43 – $60 |
| 51798 | Ultrasound Measurement of Post-Void Residual Urine Capacity | 1,356 | 54th | $25 – $40 |
| 52000 | Diagnostic Cystourethroscopy Lower Urinary Tract Inspection | 854 | 54th | $89 – $122 |
| 51741 | Complex Electronic Uroflowmetry Stream Calibration | 603 | 48th | $25 – $40 |
| 99204 | New Patient Urologic & Prostate Diagnostic Consultation | 402 | 51th | $61 – $84 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (75 HCPCS billing breadth) | 29,782 | 50th | $45 – $65 |
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Dr. Elizabeth Williams, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Williams National Provider Identifier | NPI #1790802429 (MD) | CMS NPPES Registry (63141) |
| Dr. Williams St. Louis CMS Volume Rank | 50.00th Pct (34,804 CMS svcs; Z +2.275σ) | CMS Medicare Part B (MO Urology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (St. Louis, MO) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 15 min lobby wait | 5 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.94/5 Listening • 4.79/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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