Mackenzie Louise Greisch
NPI 1104524115ActiveIndividual· Nurse Anesthetist, Certified Registered· Green Bay, WI
Nurse Anesthetist, Certified Registered with Green Bay Anesthesia Assoc. SC, practicing in Green Bay, Wisconsin. Medicare paid $7,982 for services to 92 patients in 2024. Merck Sharp & Dohme LLC reported $16.19 in payments in 2024, mostly food and beverage. Lists St Marys Hospital Medical Ctr and 1 other hospital as hospital affiliations.
Overview
| NPI | 1104524115 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Feb 20, 2023 |
| Last updated in NPPES | Jun 5, 2023 |
| Certified by provider | Jun 5, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 144770 | WI |
| Registered Nurse | 163W00000X | 242562 | 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) (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 92 |
|---|---|
| Services billed | 95 across 43 procedure codes |
| Paid by Medicare | $7,982 |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical group
- Green Bay Anesthesia Assoc. SCGreen Bay, WI · 73 clinicians
Hospital affiliations
- St Marys Hospital Medical CtrGreen Bay, WI
- St Vincent HospitalGreen Bay, WI
Industry payments (Open Payments)
- 2024$16.19 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $16.19 | 1 |
What the 2024 payments were for
- Food and Beverage$16.19 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 141 nurse anesthetists in Green Bay · All nurse anesthetists in Wisconsin