Krzysztof Malewicz, CRNA
NPI 1609383496ActiveIndividual· Nurse Anesthetist, Certified Registered· Berwyn, IL
Nurse Anesthetist, Certified Registered (CRNA) with Mercy Health System Corporation and 5 other groups, practicing in Berwyn, Illinois. Medicare paid $32,997 for services to 231 patients in 2024. Vertex Pharmaceuticals Incorporated was the largest of 2 companies reporting payments in 2025, $47.27 in all, mostly food and beverage. Lists Cgh Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1609383496 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNA |
| Sole proprietor | Yes |
| NPI issued | Jan 3, 2018 |
| Last updated in NPPES | Feb 7, 2024 |
| Certified by provider | Feb 7, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 209017062 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Certified Registered Nurse Anesthetist (CRNA) (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 231 |
|---|---|
| Services billed | 248 across 54 procedure codes |
| Paid by Medicare | $32,997 |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical groups
- Mercy Health System CorporationJanesville, WI · 753 clinicians
- Rockford Health PhysiciansRockford, IL · 521 clinicians
- North American Partners in Anesthesia Illinois LLCBerwyn, IL · 431 clinicians
- Cgh Medical CenterSterling, IL · 197 clinicians
- Gottlieb Community Health Services CorporationBerwyn, IL · 38 clinicians
- Encore Anesthesia Group LLCMelrose Park, IL · 29 clinicians
Hospital affiliations
- Cgh Medical CenterSterling, IL
- Javon Bea HospitalRockford, IL
- Loyola Gottlieb Memorial HospitalMelrose Park, IL
- Macneal HospitalBerwyn, IL
- Saint Anthony Medical CenterRockford, IL
Industry payments (Open Payments)
- 2025$47.27 · 2 payments from 2 companies
- 2024$16.12 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vertex Pharmaceuticals Incorporated | $26.18 | 1 |
| Medtronic, Inc. | $21.09 | 1 |
What the 2025 payments were for
- Food and Beverage$47.27 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Nurse Anesthetist, Certified Registered providers in Illinois →