Dr. Warda Zaman, DO
1341 S Eliseo DR Ste 200, Greenbrae, CA 94904 • +1-698-555-8410
Medical Education: Accredited U.S. Medical School (Class of 1993)
What This Doctor Actually Performs: CMS Medicare Utilization & Greenbrae Percentiles
NPI #1336534585 • CBSA Regional • Nephrology
Statistical peer benchmarking across CA Nephrology providers positions Dr. Warda Zaman, DO in Greenbrae at -0.30σ (0th city percentile / 39.73th state percentile, 430 Medicare beneficiaries), with clinical focus spanning 24 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1336534585 highlights 632 annual claims for 99214 (12th Greenbrae percentile; $200–$274 self-pay corridor) plus 290 encounters under 90960 and 237 under 99215.
Direct cash-pay transparency modeling sets Dr. Zaman's baseline new-consult rate near $239.00 in Greenbrae, CA (cash-pay accepted, hybrid in-clinic and telehealth video consults, 9-minute average reception wait).
Patients evaluating Dr. Warda Zaman in ZIP 94904 note 33 years of post-doctoral tenure (null, 1993) alongside 4.2 annual CMS procedures per patient.
Compared against Greenbrae, CA Nephrology peers
1,786 annual services across 430 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 | 632 | 12th | $200 – $274 |
| 90960 | Monthly Adult ESRD Renal Replacement Oversight | 290 | 12th | $400 – $548 |
| 99215 | High-Complexity Cardiorenal & Resistant Hypertension Visit | 237 | 12th | $292 – $400 |
| 99204 | New Patient Nephrology & Proteinuria Consultation | 158 | 12th | $275 – $377 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (24 HCPCS billing breadth) | 470 | 0th | $173 – $251 |
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Dr. Warda Zaman, DO Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Zaman National Provider Identifier | NPI #1336534585 (DO) | CMS NPPES Registry (94904) |
| Dr. Zaman Greenbrae CMS Volume Rank | 0.00th Pct (1,786 CMS svcs; Z -0.301σ) | CMS Medicare Part B (CA Nephrology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Greenbrae, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 9 min lobby wait | 7 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.58/5 Listening • 4.60/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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