Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Armstrong & O'Brien LLP

Organization Adult Psychiatric/Mental Health Registered Nurse · NPI 1679794044

Armstrong & O'Brien LLP is an Adult Psychiatric/Mental Health Registered Nurse in Spokane, Washington. Licensed in Washington. Registered with an NPI since 2007.

Licensed in
WA
In the registry since
2007
What do these letters mean?
LLP — Limited liability partnership
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

621 W Mallon Ave Suites 501-503
Spokane, WA 99201-2163
Phone: (509) 455-5546
Fax: (509) 455-5201
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Adult Psychiatric/Mental Health Registered Nurse (primary) Taxonomy 163WP0809X (WA)

Record details

NPI number1679794044
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Randi O'Brien — Manager · (509) 455-5546
NPI enumeratedMay 1, 2007
Last updated in NPPESJanuary 16, 2008
Mailing addressPo Box 20117, Spokane, WA 99204-7117

Other providers in Spokane