Grace Mathieson
NPI 1457946196 · Clinical Social Worker · Marysville, WA
Grace Mathieson is a Clinical Social Worker provider in Marysville, WA (NPI 1457946196).
Provider details
- NPI number
- 1457946196
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- SC60754947 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 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 (1)
- 12800 Bothell Everett HwyEverett, WA 98208-6642Phone: (425) 316-5062Fax: (425) 259-8600
Registry dates
- Enumerated
- 2021-03-04
- Last updated
- 2021-11-06
- Certified
- 2021-11-06
Frequently asked questions
- What is Grace Mathieson's NPI number?
- Grace Mathieson's National Provider Identifier (NPI) is 1457946196, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grace Mathieson's specialty?
- Grace Mathieson is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Grace Mathieson located?
- Grace Mathieson's practice location on file with NPPES is 11603 State Ave Ste G, Marysville, WA 98271-8465.
- What is Grace Mathieson's phone number?
- The practice phone number listed in the NPPES registry for Grace Mathieson is (425) 316-5062.
- Is Grace Mathieson's NPI active?
- Yes — Grace Mathieson's NPI (1457946196) is active in the NPPES registry as of the last update on 2021-11-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.