Doctor profile · Federal record
Dr. Marissa Armstrong, DNP, FNP-C
Nurse Practitioner · Nurse Practitioner · Registered Nurse · Registered Nurse · Post Falls, ID
- NPI 1609437508
- Accepts Medicare
- 7 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
750 N Syringa St Ste 100
Post Falls, ID 838545275
(208) 262-2600
fax (208) 262-2700 - Additional location
-
315 W Dalton Ave Ste A
Coeur D Alene, ID 838158600
(208) 209-2060
fax (208) 209-2070 - Additional location
-
7173 E Super 1 Loop Ste A
Athol, ID 838017109
(208) 561-9970
fax (208) 561-9997 - Mailing address
-
1593 E Polston Ave
Post Falls, ID 838545326
Credentials & registration
- NPI registered
- June 2019 — 7 yrs on file
- Profile last updated
- February 2, 2026
- Year of graduation
- 2019 — 7 yrs since
- Specialty taxonomy
- 363L00000X — NUCC code
- State licenses (4)
- Idaho #62266 · Washington #AP60978160 · Idaho #43344 · Washington #RN60978158
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1609437508. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
12
Distinct HCPCS
1
Medicare allowed
$26
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
81003 |
Automated urinalysis test | 12 | 12 | $2 |
In context: peer comparison
Among 8 peers in Post Falls Nurse Practitioner, average services per provider: 50. This provider delivers 0.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
15
Patients
15
Total drug cost
$176
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Fluticasone Propionate | Generic | 15 | 15 | $176 |
Hospital affiliations
Frequently asked questions
What is Dr. Marissa Armstrong's medical specialty?
Dr. Marissa Armstrong practices Nurse Practitioner in Post Falls, ID.
Where does Dr. Marissa Armstrong practice?
Dr. Marissa Armstrong practices at 750 N Syringa St Ste 100, Post Falls, ID 838545275. Office phone: 2082622600.
What is Dr. Marissa Armstrong's NPI?
Dr. Marissa Armstrong's National Provider Identifier (NPI) is 1609437508, issued by NPPES.
Does Dr. Marissa Armstrong accept Medicare assignment?
Yes. Dr. Marissa Armstrong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marissa Armstrong commonly perform?
Top Medicare-reported procedures in 2023: Automated urinalysis test (HCPCS 81003). Source: CMS Medicare Physician & Other Practitioners file.