Maureen Ziwa Leidecker
NPI 1265024632ActiveIndividual· Nurse Anesthetist, Certified Registered· Park Ridge, IL
Nurse Anesthetist, Certified Registered with Endeavor Health Medical Group and 2 other groups, practicing in Park Ridge, Illinois. Medicare paid $26,767 for services to 262 patients in 2024. Celltrion USA Inc. was the largest of 2 companies reporting payments in 2025, $40.25 in all, mostly food and beverage. Lists Advocate Lutheran General Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1265024632 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Feb 8, 2021 |
| Last updated in NPPES | Jul 10, 2026 |
| Certified by provider | Jul 10, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 209025784 | IL |
| Nurse Anesthetist, Certified Registered | 367500000X | 103925 | WI |
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); Practitioner - Certified Registered Nurse Anesthetist (CRNA) (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 262 |
|---|---|
| Services billed | 279 across 61 procedure codes |
| Paid by Medicare | $26,767 |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical groups
- Endeavor Health Medical GroupEvanston, IL · 3,350 clinicians
- Advocate Health and Hospitals CorporationChicago, IL · 3,118 clinicians
- Clinical Colleagues IncLoganport, IN · 164 clinicians
Hospital affiliations
- Advocate Lutheran General HospitalPark Ridge, IL
- Marshfield Medical CenterMarshfield, WI
- Northwest Community Hospital 1Arlington Heights, IL
- Trinity Rock IslandRock Island, IL
Industry payments (Open Payments)
- 2025$40.25 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Celltrion USA Inc. | $23.09 | 1 |
| Merck Sharp & Dohme LLC | $17.16 | 1 |
What the 2025 payments were for
- Food and Beverage$40.25 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 18 nurse anesthetists in Park Ridge · All nurse anesthetists in Illinois