Katherine Larson
Social Worker · Everett, WA
Katherine Larson is a social worker with a practice address in Everett, Washington, and NPI 1598456154, issued on May 16, 2023. Check the license (Washington LW61584102, as entered in NPPES) with the Washington board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Katherine Larson
- Primary taxonomy
- Social Worker 104100000X
- License numbers
- LW61584102 WA
11875 TN
Self-reported in NPPES; status is on the state search - Practice location
- 1330 Rockefeller Ave Ste 140, Everett, WA 98201
- Phone
- (425) 261-4210
- Enumerated
- May 16, 2023
- Entity
- Type 1 · individual
Also registered at 1330 Rockefeller Ave Ste 140
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katherine Larson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license LW61584102Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
126 social worker records list a Everett practice address
They are 126 of the 7,246 NPPES records with a Everett practice address, and 2,177 social worker records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 126 in Everett → All 2,177 in Washington → Every provider in Everett →
Other social worker records in Washington
- Lisa Aarseth, MSWVancouver, WA1649676073
- Patricia AbbateSeattle, WA1679111488
- Khalid AbdiSeattle, WA1548081086
- Rehema Abdi, MSWSeattle, WA1679878573
- Elizabeth AbebefeSeattle, WA1376926899
- Dylan AbernathyPort Angeles, WA1710656723
- Sabeena Abraham, LMSWSpokane, WA1235543778
- Nocona Abrams, LICSWToppenish, WA1649942640
- Hani AbuassiSeattle, WA1033919261
- Isho AbukarBurien, WA1639640469
Common questions
What is Katherine Larson's NPI number?
Katherine Larson's National Provider Identifier (NPI) is 1598456154, issued on May 16, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Larson located?
The NPPES record lists a practice address at 1330 Rockefeller Ave Ste 140, Everett, WA, 98201. Phone: (425) 261-4210. Providers update this record themselves, so call before visiting.
How can I verify Katherine Larson's license?
NPPES lists Washington license number LW61584102, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.