Kailey Trewhella, RN
NPI 1821765512ActiveIndividual· Nurse Anesthetist, Certified Registered· Muskegon, MI
Nurse Anesthetist, Certified Registered (RN) with Saint Mary's Health Services, practicing in Muskegon, Michigan. Medicare paid $3,606 for services to 16 patients in 2024. Merck Sharp & Dohme LLC reported $13.89 in payments in 2025, mostly food and beverage. Lists Mercy Health Saint Mary's as a hospital affiliation.
Overview
| NPI | 1821765512 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | RN |
| Sole proprietor | Yes |
| NPI issued | Aug 30, 2021 |
| Last updated in NPPES | Dec 20, 2024 |
| Certified by provider | Dec 16, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 4704321882 | MI |
| Registered Nurse | 163W00000X | 4704321882 | MI |
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) (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 16 |
|---|---|
| Services billed | 16 across 14 procedure codes |
| Paid by Medicare | $3,606 |
Education and affiliations
| Graduation year | 2024 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical group
- Saint Mary's Health ServicesGrand Rapids, MI · 173 clinicians
Hospital affiliation
- Mercy Health Saint Mary'sGrand Rapids, MI
Industry payments (Open Payments)
- 2025$13.89 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $13.89 | 1 |
What the 2025 payments were for
- Food and Beverage$13.89 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 45 nurse anesthetists in Muskegon · All nurse anesthetists in Michigan