Dr. John Ludwig, MD
5140 N California Ave Ste 600, Chicago, IL 60625 • +1-977-555-7293
Medical Education: Accredited U.S. Medical School (Class of 2008)
What This Doctor Actually Performs: CMS Medicare Utilization & Chicago Percentiles
NPI #1215342449 • CBSA 16980 • Nephrology
Anchored in Chicago, IL 60625, Dr. John Ludwig, MD (NPI 1215342449) logged 924 annual procedures (focused low-volume boutique caseload (20.97th Chicago percentile), 10.24th IL percentile, -0.67σ) with sub-specialty concentration in 20 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1215342449 highlights 444 annual claims for 99214 (20.97th Chicago percentile; $216–$295 self-pay corridor) plus 203 encounters under 90960 and 166 under 99215.
Uninsured and high-deductible cash patients visiting Dr. John Ludwig in Chicago (60625) face an estimated $222.00 initial evaluation fee at 5140 N California Ave Ste 600 (hybrid in-clinic and telehealth video consults; 11-minute average reception wait; bedside manner 4.72/5 from 25 verified reports).
Spanning 18 years of clinical practice following 2008 graduation from medical training, Dr. John Ludwig integrates 20 Active CMS HCPCS Codes diagnostics for Chicago metro patients.
Compared against Chicago, IL Nephrology peers
924 annual services across 207 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 | 444 | 20.97th | $216 – $295 |
| 90960 | Monthly Adult ESRD Renal Replacement Oversight | 203 | 15.97th | $431 – $591 |
| 99215 | High-Complexity Cardiorenal & Resistant Hypertension Visit | 166 | 17.97th | $314 – $431 |
| 99204 | New Patient Nephrology & Proteinuria Consultation | 111 | 19.97th | $296 – $406 |
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Dr. John Ludwig, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Ludwig National Provider Identifier | NPI #1215342449 (MD) | CMS NPPES Registry (60625) |
| Dr. Ludwig Chicago CMS Volume Rank | 20.97th Pct (924 CMS svcs; Z -0.667σ) | 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 • 11 min lobby wait | 25 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.72/5 Listening • 4.43/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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