Active NPI
Cathy A Armstrong, RN
- Registered Nurse
- Plummer, ID
National Provider Identifier
1255312112
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Registered Nurse
- License
- N-27429
- Practice address
- 1100 A St
Plummer, ID 83851 - Phone
- (208) 686-1767
- NPI assigned
- Nov 8, 2005
- Last updated
- Jul 13, 2026
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Registered Nurse | 163W00000X | N-27429 | ID | Primary |
Addresses
Primary practice location
1100 A St
Plummer, ID 83851
Mailing address
PO 86
Latah, WA 99018-0084
Phone (509) 286-3034
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- Credentials
- Registered Nurse
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| N-27429 | ID | MD | Registered Nurse |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1131408000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1255312112",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO 86",
"city": "LATAH",
"state": "WA",
"postal_code": "990180084",
"telephone_number": "509-286-3034"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1100 A ST",
"city": "PLUMMER",
"state": "ID",
"postal_code": "83851",
"telephone_number": "208-686-1767"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ARMSTRONG",
"first_name": "CATHY",
"middle_name": "A",
"name_prefix": "Ms.",
"credential": "RN",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2005-11-08",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "163W00000X",
"taxonomy_group": "",
"desc": "Registered Nurse",
"state": "ID",
"license": "N-27429",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Plummer, ID
- Alliance Family Services North, Inc.
- Alliance Family Services North, Inc.
- Samuel Frederick Altman, DDS
- Tonya Marie Amour-Patton, LMSW
- Frances C Arapis, LMSW
- Mary Elizabeth Barinaga, MD
- Susan Mary Bates, RN
- Believe Follow Live, LLC
- Benewah Medical Center (Benewah Medical Center Pharmacy)
- Benewah Medical Center (Marimn Health)
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.