Mary Muggli Weimer, NP-C
NPI 1811466741ActiveIndividual· Nurse Practitioner, Acute Care· Miles City, MT
Nurse Practitioner, Acute Care (NP-C) with Holy Rosary Healthcare, practicing in Miles City, Montana. 83 Medicare patients in 2024, $18,010 paid; nearly all of their 343 Part D prescriptions were generic (93%). Lists Billings Clinic Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1811466741 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP-C |
| Sole proprietor | No |
| NPI issued | Nov 20, 2018 |
| Last updated in NPPES | Nov 20, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Acute Care Primary | 363LA2100X | 127060 | MT |
| Nurse Practitioner, Adult Health | 363LA2200X | 127060 | MT |
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 - Nurse Practitioner (MT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 83 |
|---|---|
| Services billed | 272 across 13 procedure codes |
| Paid by Medicare | $18,010 |
Part D prescriptions in 2024
| Prescriptions (claims) | 343 · 351 30-day fills |
|---|---|
| Patients | 63 |
| Total drug cost | $8,524 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Holy Rosary HealthcareMiles City, MT · 49 clinicians
Hospital affiliations
- Billings Clinic HospitalBillings, MT
- Holy Rosary HospitalMiles City, MT
- Intermountain Health St Vincent Regional HospitalBillings, MT
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records