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

Northwest Somnologists, PLLC

Organization Specialist · NPI 1427255975

Northwest Somnologists, PLLC is a Specialist in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2007.

Licensed in
WA
In the registry since
2007
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

1600 E Jefferson St Second Fl
Seattle, WA 98122-5698
Phone: (206) 386-2020
Fax: (206) 299-3812
Show map & directions

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

Specialties & licences

Specialist (primary) Taxonomy 174400000X (WA)

Record details

NPI number1427255975
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Ralph Pascualy — Director · (206) 484-8777
NPI enumeratedJune 28, 2007
Last updated in NPPESJuly 21, 2022
Mailing addressPo Box 22796, Seattle, WA 98122-0796

Other providers in Seattle