Dr. John Friedewald, MD
675 N Saint Clair St, Galter 17-200, Chicago, IL 60611 • +1-630-555-7810
Medical Education: Accredited U.S. Medical School (Class of 2004)
What This Doctor Actually Performs: CMS Medicare Utilization & Chicago Percentiles
NPI #1508801093 • CBSA 16980 • Nephrology
Dr. John Friedewald, MD (NPI #1508801093) practices Nephrology in Chicago, IL (60611) with sub-specialty concentration in 18 Active CMS HCPCS Codes, recording 866 annual CMS services across 252 distinct beneficiaries—placing this practice as a focused low-volume boutique caseload (14.52th Chicago percentile) (-0.69σ vs IL state mean, 7.51th statewide percentile).
Fee-schedule auditing of NPI 1508801093 highlights 416 annual claims for 99214 (14.52th Chicago percentile; $140–$191 self-pay corridor) plus 191 encounters under 90960 and 156 under 99215.
Self-pay new patient consultations with Dr. Friedewald (CPT 99204 GPCI-adjusted benchmark) estimate around $222.00 (community reported average: $222.00) with in-person clinic visits only, 20-minute average reception wait, and a 4.48/5 modern protocol openness score across 18 patient logs.
Patients evaluating Dr. John Friedewald in ZIP 60611 note 22 years of post-doctoral tenure (null, 2004) alongside 3.4 annual CMS procedures per patient.
Compared against Chicago, IL Nephrology peers
866 annual services across 252 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 | 416 | 14.52th | $140 – $191 |
| 90960 | Monthly Adult ESRD Renal Replacement Oversight | 191 | 12th | $279 – $383 |
| 99215 | High-Complexity Cardiorenal & Resistant Hypertension Visit | 156 | 12th | $204 – $279 |
| 99204 | New Patient Nephrology & Proteinuria Consultation | 104 | 17.52th | $192 – $263 |
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Dr. John Friedewald, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Friedewald National Provider Identifier | NPI #1508801093 (MD) | CMS NPPES Registry (60611) |
| Dr. Friedewald Chicago CMS Volume Rank | 14.52th Pct (866 CMS svcs; Z -0.691σ) | 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 • 20 min lobby wait | 18 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.80/5 Listening • 4.48/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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