Melissa Emily Armstrong
NPI 1487396891ActiveIndividual· Physician Assistant· Missoula, MT
Physician Assistant with Tigris Nephrology PLLC, practicing in Missoula, Montana. Enrolled in Medicare as practitioner - physician assistant. Acadia Pharmaceuticals Inc reported $43.00 in payments in 2025, mostly food and beverage. Lists Bitterroot Health - Daly Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1487396891 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Apr 7, 2022 |
| Last updated in NPPES | Sep 12, 2025 |
| Certified by provider | Sep 12, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | MED-PAC-LIC-147897 | MT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (MT) |
|---|
Education and affiliations
| Graduation year | 2024 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Tigris Nephrology PLLCMissoula, MT · 4 clinicians
Hospital affiliations
- Bitterroot Health - Daly HospitalHamilton, MT
- Community Hospital of AnacondaAnaconda, MT
- Community Medical CenterMissoula, MT
- St Luke Community HospitalRonan, MT
- St. Patrick HospitalMissoula, MT
Industry payments (Open Payments)
- 2025$43.00 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Acadia Pharmaceuticals Inc | $43.00 | 1 |
What the 2025 payments were for
- Food and Beverage$43.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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