Marilyn Maa
NPI 1376012187ActiveIndividual· Nurse Anesthetist, Certified Registered· Ypsilanti, MI
Nurse Anesthetist, Certified Registered with Sjmhs Anesthesia Services, practicing in Ypsilanti, Michigan. Medicare paid $4,952 for services to 50 patients in 2024. Merck Sharp & Dohme LLC reported $32.93 in payments in 2025, mostly food and beverage. Lists Trinity Health Ann Arbor Hospital as a hospital affiliation.
Overview
| NPI | 1376012187 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Nov 21, 2018 |
| Last updated in NPPES | Jan 10, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 4704295718 | 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 | 50 |
|---|---|
| Services billed | 51 across 29 procedure codes |
| Paid by Medicare | $4,952 |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical group
- Sjmhs Anesthesia ServicesYpsilanti, MI · 102 clinicians
Hospital affiliation
- Trinity Health Ann Arbor HospitalAnn Arbor, MI
Industry payments (Open Payments)
- 2025$32.93 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $32.93 | 2 |
What the 2025 payments were for
- Food and Beverage$32.93 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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