Marissa Armstrong, DNP, FNP-C
NPI 1609437508ActiveIndividual· Nurse Practitioner· Post Falls, ID
Nurse Practitioner (DNP, FNP-C) with Community Health Association of Spokane and 1 other group, practicing in Post Falls, Idaho. Their prescriptions cost Medicare Part D more than their services did: $2,045 for 96 claims, against $639.98 paid for services in 2024. Lists Kootenai Health and 1 other hospital as hospital affiliations.
Overview
| NPI | 1609437508 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DNP, FNP-C |
| Sole proprietor | No |
| NPI issued | Jun 22, 2019 |
| Last updated in NPPES | Feb 2, 2026 |
| Certified by provider | Feb 2, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 62266 | ID |
| Nurse Practitioner | 363L00000X | AP60978160 | WA |
| Registered Nurse | 163W00000X | 43344 | ID |
| Registered Nurse | 163W00000X | RN60978158 | WA |
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 - Nurse Practitioner (ID); Practitioner - Nurse Practitioner (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 24 |
|---|---|
| Services billed | 39 across 18 procedure codes |
| Paid by Medicare | $639.98 |
Part D prescriptions in 2024
| Prescriptions (claims) | 96 · 99 30-day fills |
|---|---|
| Patients | 67 |
| Total drug cost | $2,045 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Community Health Association of SpokaneSpokane, WA · 221 clinicians
- North Idaho Day Surgery LLCCoeur D Alene, ID · 90 clinicians
Hospital affiliations
- Kootenai HealthCoeur D'Alene, ID
- Northwest Specialty HospitalPost Falls, ID
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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