OrganizationActive
Northwest Somnologists, PLLC
NPI 1427255975 · Specialist · Seattle, WA
Northwest Somnologists, PLLC is a Specialist organization in Seattle, WA (NPI 1427255975).
Provider details
- NPI number
- 1427255975
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- Ralph Pascualy, Director(206) 484-8777
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
1600 E Jefferson St
Second Floor
Seattle, WA 98122-5698
Phone: (206) 386-2020
Fax: (206) 299-3812
Street-level locationGet directions
Mailing address
Po Box 22796
Seattle, WA 98122-0796
Registry dates
- Enumerated
- 2007-06-28
- Last updated
- 2022-07-21
Frequently asked questions
- What is Northwest Somnologists, PLLC's NPI number?
- Northwest Somnologists, PLLC's National Provider Identifier (NPI) is 1427255975, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Northwest Somnologists, PLLC?
- Northwest Somnologists, PLLC is classified in the NPPES registry as Specialist (Other Service Providers).
- Where is Northwest Somnologists, PLLC located?
- Northwest Somnologists, PLLC's practice location on file with NPPES is 1600 E Jefferson St, Seattle, WA 98122-5698.
- What is Northwest Somnologists, PLLC's phone number?
- The practice phone number listed in the NPPES registry for Northwest Somnologists, PLLC is (206) 386-2020.
- Who is the authorized official for Northwest Somnologists, PLLC?
- The authorized official listed on Northwest Somnologists, PLLC's NPPES record is Ralph Pascualy, Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Northwest Somnologists, PLLC's NPI active?
- Yes — Northwest Somnologists, PLLC's NPI (1427255975) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.