Karen Macarthur
NPI 1831555416 · Clinical Social Worker · Bellingham, WA
Karen Macarthur is a Clinical Social Worker provider in Bellingham, WA (NPI 1831555416).
Provider details
- NPI number
- 1831555416
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Mental Health Counselor101YM0800X
Behavioral Health & Social Service Providers
- Clinical Social Worker1041C0700X
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Mailing address
Additional practice locations (2)
- 4545 Cordata Pkwy Ste 1fBellingham, WA 98226-7264Phone: (360) 752-5246Fax: (360) 752-5678
- 4545 Cordata Pkwy Ste 1eBellingham, WA 98226-7264Phone: (360) 752-5246Fax: (360) 752-5679
Registry dates
- Enumerated
- 2016-01-12
- Last updated
- 2025-08-01
- Certified
- 2025-08-01
Frequently asked questions
- What is Karen Macarthur's NPI number?
- Karen Macarthur's National Provider Identifier (NPI) is 1831555416, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Macarthur's specialty?
- Karen Macarthur is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Karen Macarthur located?
- Karen Macarthur's practice location on file with NPPES is 12 Bellwether Way Ste 220, Bellingham, WA 98225-2914.
- What is Karen Macarthur's phone number?
- The practice phone number listed in the NPPES registry for Karen Macarthur is (360) 218-2352.
- Is Karen Macarthur's NPI active?
- Yes — Karen Macarthur's NPI (1831555416) is active in the NPPES registry as of the last update on 2025-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.