Dr. Kirollos Zaki, DO
3660 Park Sierra DR Ste 208, Riverside, CA 92505 • +1-844-555-4630
Medical Education: Accredited U.S. Medical School (Class of 2007)
What This Doctor Actually Performs: CMS Medicare Utilization & Riverside Percentiles
NPI #1104270305 • CBSA Regional • Nephrology
Statistical peer benchmarking across CA Nephrology providers positions Dr. Kirollos Zaki, DO in Riverside at -0.39σ (0th city percentile / 21.42th state percentile, 287 Medicare beneficiaries), with clinical focus spanning 20 Active CMS HCPCS Codes.
Among 4 tracked CMS fee-schedule codes for Dr. Zaki (averaging 4.3 services per beneficiary), 99214 (Chronic Kidney Disease eGFR, uACR & Electrolyte Management) represents 48% of tracked volume (587 encounters), paired with 90960 (269x).
Cash-pay intake data for NPI 1104270305 (3660 Park Sierra DR Ste 208, Riverside) indicates $239.00 typical out-of-pocket visit spend against a $239.00 locality benchmark, paired with 22-minute average reception wait and 4.60/5 biomarker openness.
Patients evaluating Dr. Kirollos Zaki in ZIP 92505 note 19 years of post-doctoral tenure (null, 2007) alongside 4.3 annual CMS procedures per patient.
Compared against Riverside, CA Nephrology peers
1,222 annual services across 287 beneficiaries
Standard deviations from CA 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 | 587 | 12th | $281 – $385 |
| 90960 | Monthly Adult ESRD Renal Replacement Oversight | 269 | 12th | $561 – $769 |
| 99215 | High-Complexity Cardiorenal & Resistant Hypertension Visit | 220 | 12th | $409 – $561 |
| 99204 | New Patient Nephrology & Proteinuria Consultation | 147 | 12th | $386 – $529 |
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Dr. Kirollos Zaki, DO Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Zaki National Provider Identifier | NPI #1104270305 (DO) | CMS NPPES Registry (92505) |
| Dr. Zaki Riverside CMS Volume Rank | 0.00th Pct (1,222 CMS svcs; Z -0.388σ) | CMS Medicare Part B (CA Nephrology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Riverside, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 22 min lobby wait | 24 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.63/5 Listening • 4.60/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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