Maureen E. McMackin Daviault, CRNA
NPI 1144461609ActiveIndividual· Nurse Anesthetist, Certified Registered· Lewiston, ME
Nurse Anesthetist, Certified Registered (CRNA) with St Marys Regional Medical Center, practicing in Lewiston, Maine. Medicare paid $6,285 for services to 56 patients in 2024. Merck Sharp & Dohme LLC reported $20.95 in payments in 2025, mostly food and beverage. Lists St Mary's Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1144461609 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNA |
| Sole proprietor | No |
| NPI issued | Mar 13, 2009 |
| Last updated in NPPES | Nov 8, 2022 |
| Certified by provider | Nov 8, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | RNA83464 | ME |
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) (ME) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 56 |
|---|---|
| Services billed | 63 across 23 procedure codes |
| Paid by Medicare | $6,285 |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical group
- St Marys Regional Medical CenterLewiston, ME · 198 clinicians
Hospital affiliation
- St Mary's Regional Medical CenterLewiston, ME
Industry payments (Open Payments)
- 2025$20.95 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $20.95 | 1 |
What the 2025 payments were for
- Food and Beverage$20.95 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 63 nurse anesthetists in Lewiston · All nurse anesthetists in Maine