Dr. Steven Tolkan, MD
1525 Webster St Ste A, Fairfield, CA 94533 • +1-682-555-8981
Medical Education: Accredited U.S. Medical School (Class of 1997)
What This Doctor Actually Performs: CMS Medicare Utilization & Fairfield Percentiles
NPI #1871554766 • CBSA Regional • Nephrology
Operating out of Fairfield, CA (1525 Webster St Ste A), Nephrology clinician Dr. Steven Tolkan, MD (accredited MD/DO training, 1997) maintains a focused low-volume boutique caseload (0th Fairfield percentile) (1.77th CA percentile; Z-score -0.47σ across 687 documented services) with sub-specialty concentration in 12 Active CMS HCPCS Codes.
Medicare Part B line-item claims for Dr. Steven Tolkan (94533) place 99214 at the top of the practice ledger (330 yearly units, 12th metro rank), rounded out by 90960 and 99215.
At 1525 Webster St Ste A (94533), Dr. Steven Tolkan, MD accommodates direct self-pay scheduling (hybrid in-clinic and telehealth video consults) at ~$239.00 per new consult (4.78/5 bedside rating).
Clinical background for Dr. Tolkan (MD, NPI #1871554766) includes accredited doctoral training (1997, 29 yrs in practice) and virtual + in-office availability across CA.
Compared against Fairfield, CA Nephrology peers
687 annual services across 74 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 | 330 | 12th | $413 – $566 |
| 90960 | Monthly Adult ESRD Renal Replacement Oversight | 151 | 12th | $826 – $1132 |
| 99215 | High-Complexity Cardiorenal & Resistant Hypertension Visit | 124 | 12th | $602 – $825 |
| 99204 | New Patient Nephrology & Proteinuria Consultation | 82 | 12th | $568 – $778 |
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Dr. Steven Tolkan, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Tolkan National Provider Identifier | NPI #1871554766 (MD) | CMS NPPES Registry (94533) |
| Dr. Tolkan Fairfield CMS Volume Rank | 0.00th Pct (687 CMS svcs; Z -0.471σ) | CMS Medicare Part B (CA Nephrology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Fairfield, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 15 min lobby wait | 23 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.78/5 Listening • 4.94/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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