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GRACE CLAIRE MATHIESON
NPI 1457946196
Social Worker - Clinical in Marysville, WA

Active since March 04, 2021
59.66/100
CMS Quality Rating
11603 STATE AVE STE G, MARYSVILLE, WA 98271(425) 316-5062(425) 259-8600 Get Directions Write a Review

NPPES record last updated: November 6, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Nov 6, 2021, Oct 22, 2021, Mar 4, 2021 (3 updates tracked since 2021).

About Grace Claire Mathieson NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GRACE CLAIRE MATHIESON (NPI 1457946196) is an individual clinical provider in Marysville, Washington, licensed in Washington (LW61165345) and active in the NPI registry since March 2021. She maintains a secondary practice location in Everett.

NPPES Registry Identity

NPI1457946196
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameGRACE CLAIRE MATHIESON
Location Address11603 STATE AVE STE GMarysville, WA 98271-8465
Mailing AddressPo Box 3360Portland, OR 97208-3360 · (425) 316-5062 · Fax (425) 259-8600
Phone(425) 316-5062
Fax(425) 259-8600
Sole ProprietorNo
Enumeration DateMarch 4, 2021
Last NPPES UpdateNovember 6, 20213 updates tracked since enumeration
NPPES CertifiedNovember 6, 2021
✔ NPI 1457946196 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in WA · LW61165345
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License SC60754947 (WA)
11603 STATE AVE STE G, Marysville, WA 98271
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Secondary Practice Location 1

Location 112800 Bothell Everett HwyEverett, WA 98208-6642 · Phone (425) 316-5062 · Fax (425) 259-8600

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

59.66/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality19.99
Promoting Interoperability100
Improvement Activities20
Cost70.54

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MICHAEL J ANDREONI MD
Internal Medicine
11603 STATE AVE STE G
MARYSVILLE, WA 98271
Snohomish County (360) 658-6800
SIMA GOPAL MISTRY M.D.
Pediatrics
11603 STATE AVE STE G, PROVIDENCE MEDICAL GROUP MARYSVILLE CLINIC
MARYSVILLE, WA 98271
Snohomish County (360) 658-6800
RYAN S MAZIARZ
Family Medicine
11603 STATE AVE STE G
MARYSVILLE, WA 98271
Snohomish County (360) 658-6800
DR. NHAT PHAM DO
Family Medicine
11603 STATE AVE STE G
MARYSVILLE, WA 98271
Snohomish County (360) 658-6800

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Grace Mathieson's NPI number?

The NPI number for Grace Mathieson is 1457946196. It was assigned to this individual provider in the NPPES registry on March 4, 2021.

Where is Grace Mathieson located?

Grace Mathieson practices at 11603 State Ave Ste G, Marysville, WA 98271. The listed phone number is (425) 316-5062.

What is Grace Mathieson's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

What insurance does Grace Mathieson accept?

Health plans from Providence Health Plan list Grace Mathieson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Grace Mathieson was last updated on November 6, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.