Dr. Essam Mostafa, MD
11100 Warner Ave Ste 158, Fountain Valley, CA 92708 • +1-311-555-6008
Medical Education: Accredited U.S. Medical School (Class of 1996)
What This Doctor Actually Performs: CMS Medicare Utilization & Fountain Valley Percentiles
NPI #1316932270 • CBSA Regional • Nephrology
Within the Fountain Valley, CA (CBSA local) Nephrology cohort, Dr. Essam Mostafa, MD with sub-specialty concentration in 13 Active CMS HCPCS Codes ranks at the 45.45th municipal percentile and 83.6th CA percentile (+0.18σ Z-score) based on 4,884 billed procedures for 491 patients.
Medicare Part B line-item claims for Dr. Essam Mostafa (92708) place 99214 at the top of the practice ledger (2344 yearly units, 45.45th metro rank), rounded out by 90960 and 99215.
Uninsured and high-deductible cash patients visiting Dr. Essam Mostafa in Fountain Valley (92708) face an estimated $239.00 initial evaluation fee at 11100 Warner Ave Ste 158 (hybrid in-clinic and telehealth video consults; 20-minute average reception wait; bedside manner 4.58/5 from 4 verified reports).
Clinical background for Dr. Mostafa (MD, NPI #1316932270) includes accredited doctoral training (1996, 30 yrs in practice) and virtual + in-office availability across CA.
Compared against Fountain Valley, CA Nephrology peers
4,884 annual services across 491 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 | 2,344 | 45.45th | $280 – $384 |
| 90960 | Monthly Adult ESRD Renal Replacement Oversight | 1,074 | 49.45th | $560 – $767 |
| 99215 | High-Complexity Cardiorenal & Resistant Hypertension Visit | 879 | 42.45th | $408 – $560 |
| 99204 | New Patient Nephrology & Proteinuria Consultation | 586 | 48.45th | $385 – $528 |
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Dr. Essam Mostafa, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Mostafa National Provider Identifier | NPI #1316932270 (MD) | CMS NPPES Registry (92708) |
| Dr. Mostafa Fountain Valley CMS Volume Rank | 45.45th Pct (4,884 CMS svcs; Z +0.177σ) | CMS Medicare Part B (CA Nephrology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Fountain Valley, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 20 min lobby wait | 4 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.58/5 Listening • 4.48/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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