Dr. David Williams, MD
1553 N Porter Ave, Norman, OK 73071 • +1-865-555-3747
Medical Education: Accredited U.S. Medical School (Class of 2011)
What This Doctor Actually Performs: CMS Medicare Utilization & Norman Percentiles
NPI #1518991264 • CBSA Regional • Nephrology
Dr. David Williams, MD (NPI #1518991264) practices Nephrology in Norman, OK (73071) with sub-specialty concentration in 19 Active CMS HCPCS Codes, recording 1,752 annual CMS services across 521 distinct beneficiaries—placing this practice as a mid-cohort balanced caseload (50th Norman percentile) (-0.49σ vs OK state mean, 39.39th statewide percentile).
Procedural volume for Dr. Williams is led by HCPCS 99214 (Chronic Kidney Disease eGFR, uACR & Electrolyte Management — 841 annual services, $204–$280 GPCI cash estimate), followed by CPT 90960 (Monthly Adult ESRD Renal Replacement Oversight, 385/yr) and CPT 99215 (High-Complexity Cardiorenal & Resistant Hypertension Visit, 315/yr).
Cash-pay intake data for NPI 1518991264 (1553 N Porter Ave, Norman) indicates $209.00 typical out-of-pocket visit spend against a $209.00 locality benchmark, paired with 21-minute average reception wait and 4.78/5 biomarker openness.
Patients evaluating Dr. David Williams in ZIP 73071 note 15 years of post-doctoral tenure (null, 2011) alongside 3.4 annual CMS procedures per patient.
Compared against Norman, OK Nephrology peers
1,752 annual services across 521 beneficiaries
Standard deviations from OK Nephrology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Chronic Kidney Disease eGFR, uACR & Electrolyte Management | 841 | 50th | $204 – $280 |
| 90960 | Monthly Adult ESRD Renal Replacement Oversight | 385 | 47th | $408 – $560 |
| 99215 | High-Complexity Cardiorenal & Resistant Hypertension Visit | 315 | 50th | $298 – $408 |
| 99204 | New Patient Nephrology & Proteinuria Consultation | 210 | 51th | $281 – $385 |
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Dr. David Williams, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Williams National Provider Identifier | NPI #1518991264 (MD) | CMS NPPES Registry (73071) |
| Dr. Williams Norman CMS Volume Rank | 50.00th Pct (1,752 CMS svcs; Z -0.488σ) | CMS Medicare Part B (OK Nephrology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Norman, OK) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 21 min lobby wait | 13 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.65/5 Listening • 4.78/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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