Dr. William Grubb, MD
3025 Shrine Rd, Suite 450, Brunswick, GA 31520 • +1-774-555-3228
Medical Education: Accredited U.S. Medical School (Class of 1992)
What This Doctor Actually Performs: CMS Medicare Utilization & Brunswick Percentiles
NPI #1093721532 • CBSA Regional • Nephrology
Dr. William Grubb, MD (NPI #1093721532) practices Nephrology in Brunswick, GA (31520) with sub-specialty concentration in 31 Active CMS HCPCS Codes, recording 2,033 annual CMS services across 500 distinct beneficiaries—placing this practice as a mid-cohort balanced caseload (50th Brunswick percentile) (-0.29σ vs GA state mean, 57.08th statewide percentile).
Procedural volume for Dr. Grubb is led by HCPCS 99214 (Chronic Kidney Disease eGFR, uACR & Electrolyte Management — 976 annual services, $184–$252 GPCI cash estimate), followed by CPT 90960 (Monthly Adult ESRD Renal Replacement Oversight, 447/yr) and CPT 99215 (High-Complexity Cardiorenal & Resistant Hypertension Visit, 366/yr).
At 3025 Shrine Rd, Suite 450 (31520), Dr. William Grubb, MD accommodates direct self-pay scheduling (in-person clinic visits only) at ~$209.00 per new consult (4.94/5 bedside rating).
Patients evaluating Dr. William Grubb in ZIP 31520 note 34 years of post-doctoral tenure (null, 1992) alongside 4.1 annual CMS procedures per patient.
Compared against Brunswick, GA Nephrology peers
2,033 annual services across 500 beneficiaries
Standard deviations from GA 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 | 976 | 50th | $184 – $252 |
| 90960 | Monthly Adult ESRD Renal Replacement Oversight | 447 | 47th | $368 – $504 |
| 99215 | High-Complexity Cardiorenal & Resistant Hypertension Visit | 366 | 54th | $268 – $368 |
| 99204 | New Patient Nephrology & Proteinuria Consultation | 244 | 50th | $253 – $347 |
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Dr. William Grubb, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Grubb National Provider Identifier | NPI #1093721532 (MD) | CMS NPPES Registry (31520) |
| Dr. Grubb Brunswick CMS Volume Rank | 50.00th Pct (2,033 CMS svcs; Z -0.287σ) | CMS Medicare Part B (GA Nephrology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Brunswick, GA) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 19 min lobby wait | 9 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.94/5 Listening • 4.76/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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