Dr. William Whittier, MD
104 S Ashland Ave, Chicago, IL 60607 • +1-208-555-3912
Medical Education: Accredited U.S. Medical School (Class of 2011)
What This Doctor Actually Performs: CMS Medicare Utilization & Chicago Percentiles
NPI #1609981471 • CBSA 16980 • Nephrology
Anchored in Chicago, IL 60607, Dr. William Whittier, MD (NPI 1609981471) logged 1,672 annual procedures (upper-quartile active clinical volume (67.74th Chicago percentile), 33.79th IL percentile, -0.37σ) with sub-specialty concentration in 21 Active CMS HCPCS Codes.
Dr. Whittier's longitudinal care intensity (3.9 billed units per patient across 432 individuals) centers on 99214 (803 annual units) and 90960 ($418–$573 cash range).
Direct cash-pay transparency modeling sets Dr. Whittier's baseline new-consult rate near $222.00 in Chicago, IL (cash-pay accepted, hybrid in-clinic and telehealth video consults, 16-minute average reception wait).
Clinical background for Dr. Whittier (MD, NPI #1609981471) includes accredited doctoral training (2011, 15 yrs in practice) and virtual + in-office availability across IL.
Compared against Chicago, IL Nephrology peers
1,672 annual services across 432 beneficiaries
Standard deviations from IL 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 | 803 | 67.74th | $209 – $287 |
| 90960 | Monthly Adult ESRD Renal Replacement Oversight | 368 | 68.74th | $418 – $573 |
| 99215 | High-Complexity Cardiorenal & Resistant Hypertension Visit | 301 | 67.74th | $305 – $418 |
| 99204 | New Patient Nephrology & Proteinuria Consultation | 201 | 72.74th | $288 – $394 |
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Dr. William Whittier, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Whittier National Provider Identifier | NPI #1609981471 (MD) | CMS NPPES Registry (60607) |
| Dr. Whittier Chicago CMS Volume Rank | 67.74th Pct (1,672 CMS svcs; Z -0.366σ) | CMS Medicare Part B (IL Nephrology) |
| Fair Cash-Pay New-Patient Benchmark | $222.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Chicago, IL) |
| Waiting-Room Wait Time & Cash Friendliness | $222.00 avg paid • 16 min lobby wait | 4 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.61/5 Listening • 4.44/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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