Dr. Marian Kowalczyk, MD
3115 N Harlem Ave, Ste 202, Chicago, IL 60634 • +1-842-555-2287
Medical Education: Accredited U.S. Medical School (Class of 2006)
What This Doctor Actually Performs: CMS Medicare Utilization & Chicago Percentiles
NPI #1740201664 • CBSA 16980 • Internal Medicine
Anchored in Chicago, IL 60634, Dr. Marian Kowalczyk, MD (NPI 1740201664) logged 1,151 annual procedures (mid-cohort balanced caseload (53.13th Chicago percentile), 39.99th IL percentile, -0.19σ) with sub-specialty concentration in 11 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1740201664 highlights 518 annual claims for 99214 (53.13th Chicago percentile; $177–$242 self-pay corridor) plus 299 encounters under 99213 and 150 under 93000.
Direct cash-pay transparency modeling sets Dr. Kowalczyk's baseline new-consult rate near $222.00 in Chicago, IL (cash-pay accepted, hybrid in-clinic and telehealth video consults, 15-minute average reception wait).
From 3115 N Harlem Ave, Ste 202 in Chicago (+1-842-555-2287), Dr. Kowalczyk, MD (20-year clinical track record) delivers 11 Active CMS HCPCS Codes care.
Compared against Chicago, IL Internal Medicine peers
1,151 annual services across 142 beneficiaries
Standard deviations from IL Internal Medicine mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Moderate-to-High Complexity Internal Medicine Follow-Up | 518 | 53.13th | $177 – $242 |
| 99213 | Established Preventive & Chronic Care Visit | 299 | 52.13th | $135 – $185 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 150 | 50.13th | $65 – $88 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 115 | 57.13th | $207 – $284 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 69 | 55.13th | $246 – $337 |
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Dr. Marian Kowalczyk, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Kowalczyk National Provider Identifier | NPI #1740201664 (MD) | CMS NPPES Registry (60634) |
| Dr. Kowalczyk Chicago CMS Volume Rank | 53.13th Pct (1,151 CMS svcs; Z -0.187σ) | CMS Medicare Part B (IL Internal Medicine) |
| 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 • 15 min lobby wait | 5 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.94/5 Listening • 4.51/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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