RHIANNON A ARMSTRONG ARNP
NPI 1366090110
Nurse Practitioner - Psychiatric/Mental Health in Spokane, WA

Active since August 26, 2019PECOS Enrolled
316 W BOONE AVE STE 656, SPOKANE, WA 99201(509) 872-5009(509) 593-4676 Get Directions Write a Review

NPPES record last updated: August 1, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 7, 2024, Jul 1, 2024, Mar 4, 2024 and 3 more (6 updates tracked since 2019).

About Rhiannon A Armstrong Arnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RHIANNON A ARMSTRONG ARNP (NPI 1366090110) is an individual psychiatric/mental health provider in Spokane, Washington, licensed in Washington (AP61004461) and active in the NPI registry since August 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1366090110
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameRHIANNON A ARMSTRONGCredential: ARNP
Location Address316 W BOONE AVE STE 656Spokane, WA 99201-2346
Mailing Address316 W Boone Ave Ste 656Spokane, WA 99201-2346 · (509) 872-5009 · Fax (509) 593-4676
Fax(509) 593-4676
Sole ProprietorNo
Enumeration DateAugust 26, 2019
Last NPPES UpdateAugust 1, 20256 updates tracked since enumeration
NPPES CertifiedAugust 1, 2025
✔ NPI 1366090110 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in WA · AP61004461
Also ListedRegistered NurseTaxonomy 163W00000X · License RN60426571 (WA)
316 W BOONE AVE STE 656, Spokane, WA 99201

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Rhiannon A Armstrong Arnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Rhiannon Armstrong reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Federally Qualified Health Center (FQHC)
1600 N HOWARD ST RM 115
Spokane, WA 99205
  • Reassigned Medicare billing, Washington enrollment
  • 278 clinicians in this Medicare group
Pulmonary Disease
101 W 8TH AVE, MOTHER GAMELIN CENTER 3RD FLOOR
Spokane, WA 99204
  • Reassigned Medicare billing, Washington enrollment
  • 862 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 99201 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$88.29 typical visit price
range $57.27 – $172.80
Typical copayment $22.07 (range $14.31 – $43.20)
Most-billed visit code 99203
Established Patient
$100.78 typical visit price
range $18.56 – $141.11
Typical copayment $25.19 (range $4.64 – $35.27)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 15

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Counselor (Mental Health)
316 W BOONE AVE STE 656
SPOKANE, WA 99201
Clinic/Center (Mental Health (Including Community Mental Health Center))
316 W BOONE AVE STE 656
SPOKANE, WA 99201
Nurse Practitioner (Psychiatric/Mental Health)
316 W BOONE AVE STE 656
SPOKANE, WA 99201
Clinic/Center (Mental Health (Including Community Mental Health Center))
316 W BOONE AVE STE 656
SPOKANE, WA 99201
Counselor (Mental Health)
316 W BOONE AVE STE 656
SPOKANE, WA 99201
Counselor (Mental Health)
316 W BOONE AVE STE 656
SPOKANE, WA 99201
Clinic/Center (Mental Health (Including Community Mental Health Center))
316 W BOONE AVE STE 656
SPOKANE, WA 99201
Psychologist (Clinical)
316 W BOONE AVE STE 656
SPOKANE, WA 99201

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Rhiannon Armstrong's NPI number?

The NPI number for Rhiannon Armstrong is 1366090110. It was assigned to this individual provider in the NPPES registry on August 26, 2019.

Where is Rhiannon Armstrong located?

Rhiannon Armstrong practices at 316 W Boone Ave Ste 656, Spokane, WA 99201. The listed phone number is (509) 872-5009.

What is Rhiannon Armstrong's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Rhiannon Armstrong enrolled in Medicare?

Yes. Rhiannon Armstrong is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Rhiannon Armstrong's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rhiannon Armstrong reassigns Medicare benefits to 2 organizations: Community Health Association Of Spokane (Spokane, WA) and Providence Health & Services Washington (Spokane, WA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Rhiannon Armstrong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Rhiannon Armstrong accept?

Health plans from Ambetter Health and Premera Blue Cross Blue Shield of Alaska list Rhiannon Armstrong as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Rhiannon Armstrong was last updated on August 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.