OrganizationActive
Northstar Associates, PLLC
NPI 1912921586 · Sleep Disorder Diagnostic Clinic/Center · Bellingham, WA
Provider details
- NPI number
- 1912921586
- Entity type
- Organization
- Primary specialty
- Sleep Disorder Diagnostic Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Christopher Mathews, President(360) 676-1696
Specialties & taxonomies
Ambulatory Health Care Facilities
Suppliers
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 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
1345 King St
Bellingham, WA 98229-6223
Phone: (360) 676-1696
Fax: (360) 676-6636
Street-level locationGet directions
Mailing address
1345 King St
Bellingham, WA 98229-6223
Other names (DBA / former)
- Doing business as
- Northstar Medical Specialists
Registry dates
- Enumerated
- 2006-07-27
- Last updated
- 2025-12-05
- Certified
- 2025-12-05
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.