NPI age
19 years
Enumerated 2006-08-31
● Active
Type 1 · Individual
MS. Nancy E. Armstrong, ARNP
Armstrong is 1 of 4 nurse practitioner providers in Pocatello and 1 of 56 in Idaho.
Primary specialty
Nurse Practitioner
Plus 2 subspecialties
Licensed in
WA, ID
2 states
Status
Active
No deactivations on record
Last NPPES update
2026-01-12
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 56 active nurse practitioner providers in Idaho.
NPI age
19 years
↑ 6 yr above median (13 yr)
State licenses
2 states
Top 64% — 35% of peers are multi-state
Subspecialties
1
In the 66% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-08Enumerated in NPPES
2006
2026
Where they practice
Practice location
1479 Bench Rd
Pocatello, ID 832012424
Mailing address
1479 Bench Rd
Pocatello, ID 832012424
Specialties
-
Nurse Practitioner PrimaryDefinition to come...
-
Nurse PractitionerDefinition to come...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (WA) | AR5426 | REGENCE BLUE SHIELD |
| 05 (WA) | 9620071 |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Solo or small practice. No other active providers share this practice address in NPPES.
Provyx · Custom healthcare lists
Need all 56 Nurse Practitioner providers in Idaho?
Get the full list as a CSV with verified work emails, direct phones, and LinkedIn URLs.
Request a quote →How to verify this provider
- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.