Dr. Ignacio Portales Castillo, MD
1 Barnes Jewish Hospital Plz, Div IM Nephrology, Saint Louis, MO 63110 • +1-839-555-1785
Medical Education: Accredited U.S. Medical School (Class of 2016)
What This Doctor Actually Performs: CMS Medicare Utilization & Saint Louis Percentiles
NPI #1740631183 • CBSA Regional • Nephrology
Within the Saint Louis, MO (CBSA local) Nephrology cohort, Dr. Ignacio Portales Castillo, MD with sub-specialty concentration in 45 Active CMS HCPCS Codes ranks at the 97.22th municipal percentile and 98.47th MO percentile (+5.96σ Z-score) based on 10,656 billed procedures for 304 patients.
Among 5 tracked CMS fee-schedule codes for Dr. Portales Castillo (averaging 35.1 services per beneficiary), 99214 (Chronic Kidney Disease eGFR, uACR & Electrolyte Management) represents 4% of tracked volume (425 encounters), paired with 90960 (195x).
At 1 Barnes Jewish Hospital Plz, Div IM Nephrology (63110), Dr. Ignacio Portales Castillo, MD accommodates direct self-pay scheduling (in-person clinic visits only) at ~$209.00 per new consult (4.75/5 bedside rating).
NPI registry verification (#1740631183) confirms Dr. Ignacio Portales Castillo's MD standing serving CBSA 63110 with a 4.57/5 patient scorecard.
Top 10% Nephrology volume leader in Saint Louis, MO
10,656 annual services across 304 beneficiaries
Standard deviations from MO 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 | 425 | 97.22th | $45 – $62 |
| 90960 | Monthly Adult ESRD Renal Replacement Oversight | 195 | 95.22th | $91 – $124 |
| 99215 | High-Complexity Cardiorenal & Resistant Hypertension Visit | 159 | 99.22th | $66 – $91 |
| 99204 | New Patient Nephrology & Proteinuria Consultation | 106 | 96.22th | $62 – $85 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (45 HCPCS billing breadth) | 9,770 | 97.22th | $45 – $65 |
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Dr. Ignacio Portales Castillo, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Portales Castillo National Provider Identifier | NPI #1740631183 (MD) | CMS NPPES Registry (63110) |
| Dr. Portales Castillo Saint Louis CMS Volume Rank | 97.22th Pct (10,656 CMS svcs; Z +5.965σ) | CMS Medicare Part B (MO Nephrology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Saint Louis, MO) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 20 min lobby wait | 24 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.75/5 Listening • 4.67/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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