Dr. Sherwin Foster, MD
1986 W Hayden Ave, Hayden, ID 83835 • +1-226-555-6155
Medical Education: Accredited U.S. Medical School (Class of 2011)
What This Doctor Actually Performs: CMS Medicare Utilization & Hayden Percentiles
NPI #1720074990 • CBSA Regional • Nephrology
Dr. Sherwin Foster, MD (NPI #1720074990) practices Nephrology in Hayden, ID (83835) with sub-specialty concentration in 9 Active CMS HCPCS Codes, recording 5,058 annual CMS services across 530 distinct beneficiaries—placing this practice as a top-decile high-throughput specialist (99th percentile in Hayden) (+3.50σ vs ID state mean, 94.74th statewide percentile).
Procedural volume for Dr. Foster is led by HCPCS 99214 (Chronic Kidney Disease eGFR, uACR & Electrolyte Management — 2428 annual services, $136–$187 GPCI cash estimate), followed by CPT 90960 (Monthly Adult ESRD Renal Replacement Oversight, 1113/yr) and CPT 99215 (High-Complexity Cardiorenal & Resistant Hypertension Visit, 910/yr).
Direct cash-pay transparency modeling sets Dr. Foster's baseline new-consult rate near $209.00 in Hayden, ID (cash-pay accepted, hybrid in-clinic and telehealth video consults, 13-minute average reception wait).
Clinical background for Dr. Foster (MD, NPI #1720074990) includes accredited doctoral training (2011, 15 yrs in practice) and virtual + in-office availability across ID.
Top 10% Nephrology volume leader in Hayden, ID
5,058 annual services across 530 beneficiaries
Standard deviations from ID 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 | 2,428 | 99th | $136 – $187 |
| 90960 | Monthly Adult ESRD Renal Replacement Oversight | 1,113 | 94th | $272 – $373 |
| 99215 | High-Complexity Cardiorenal & Resistant Hypertension Visit | 910 | 98th | $199 – $272 |
| 99204 | New Patient Nephrology & Proteinuria Consultation | 607 | 96th | $187 – $257 |
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Dr. Sherwin Foster, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Foster National Provider Identifier | NPI #1720074990 (MD) | CMS NPPES Registry (83835) |
| Dr. Foster Hayden CMS Volume Rank | 99.00th Pct (5,058 CMS svcs; Z +3.499σ) | CMS Medicare Part B (ID Nephrology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Hayden, ID) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 13 min lobby wait | 19 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.87/5 Listening • 4.92/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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