Rhiannon A Armstrong, ARNP

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

License

AP61004461 Issued in WA

Practice address

316 W Boone Ave Ste 656
Spokane, WA 99201-2346

Phone

(509) 872-5009

Fax

(509) 593-4676

NPI assigned

Aug 26, 2019

Last updated

Aug 1, 2025By the provider in NPPES

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in WA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Community Health Association of Spokane

  • Federally Qualified Health Center (FQHC)
  • Spokane, WA
  • NPI 1326005851
  Medicare reassignment NPD
• Providence Health & Services Washington

  dba Providence Medical Group

  • Pulmonary Disease Physician
  • Spokane, WA
  • NPI 1194099390
  Medicare reassignment NPD
• Lilac City Psychiatry, LLC

  dba Lilac City Psychiatry

  • Psychiatric/Mental Health Nurse Practitioner
  • Spokane, WA
  • NPI 1437988771
  Authorized official Same address or phone
• Community Health Association of Spokane

  • Federally Qualified Health Center (FQHC)
  • Spokane, WA
  • NPI 1407067317
  NPD
• Community Health Association of Spokane

  • Federally Qualified Health Center (FQHC)
  • Spokane, WA
  • NPI 1679363592
  NPD
• Providence Health & Services Washington

  dba PMG PHC Providence Express Care

  • General Practice Physician
  • Spokane, WA
  • NPI 1306391446
  NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1566777600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754006400000",
    "number": "1366090110",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "316 W BOONE AVE STE 656",
            "city": "SPOKANE",
            "state": "WA",
            "postal_code": "992012346",
            "telephone_number": "509-872-5009",
            "fax_number": "509-593-4676"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "316 W BOONE AVE STE 656",
            "city": "SPOKANE",
            "state": "WA",
            "postal_code": "992012346",
            "telephone_number": "509-872-5009",
            "fax_number": "509-593-4676"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ARMSTRONG",
        "first_name": "RHIANNON",
        "middle_name": "A",
        "credential": "ARNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-08-26",
        "last_updated": "2025-08-01",
        "certification_date": "2025-08-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "WA",
            "license": "RN60426571",
            "primary": false
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "WA",
            "license": "AP61004461",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Gerriann Louise Armstrong
• Joel Armstrong
• Karen Annette Armstrong, PT
• Kathleen Mayumi Armstrong, MED, LMHC, CDP, MHP
• Lauren D. Armstrong, CNM
• Ruth Emma Armstrong, MD
• Kiri T Arndt, RN, ATC
• Mary Ann K Arndt, M.D.
• Jacob T Arnett, MD
• Sara Arnett, RN

• Psychiatric/Mental Health Nurse Practitioner in Spokane, WA
• Providers in Spokane, WA by specialty
• Psychiatric/Mental Health Nurse Practitioner in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 1, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.