Katherine Larson
NPI 1598456154 · Social Worker · Everett, WA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Larson is a Social Worker provider in Everett, WA (NPI 1598456154).
Provider details
- NPI number
- 1598456154
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 11875 (TN)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
3 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)
- 2002 Eastland Ave Ste 101Nashville, TN 37206-1705Phone: (971) 219-8049
Registry dates
- Enumerated
- 2023-05-16
- Last updated
- 2025-04-09
- Certified
- 2025-04-09
Frequently asked questions
- What is Katherine Larson's NPI number?
- Katherine Larson's National Provider Identifier (NPI) is 1598456154, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Larson's specialty?
- Katherine Larson is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Katherine Larson located?
- Katherine Larson's practice location on file with NPPES is 1330 Rockefeller Ave Ste 140, Everett, WA 98201-1682.
- What is Katherine Larson's phone number?
- The practice phone number listed in the NPPES registry for Katherine Larson is (425) 261-4210.
- Does Katherine Larson accept Medicare?
- Katherine Larson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Larson's NPI active?
- Yes — Katherine Larson's NPI (1598456154) is active in the NPPES registry as of the last update on 2025-04-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.