Katherine Larson
About this NPIWhat this record shows.
NPI 1598456154 is registered to Katherine Larson, a Social Worker practising at 1330 Rockefeller Ave Ste 140 in Everett, Washington. Social Worker is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Katherine Larson has been enumerated in the National Provider Identifier (NPI) registry since 2023.
Your brand here.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20250306001958Clinical Social WorkerWA
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Katherine Larson accepts. To confirm in-network status with your specific health plan, contact Katherine Larson directly at (425) 261-4210.
Frequently asked
Yes. NPI 1598456154 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Social Worker is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (425) 261-4210.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Katherine Larson is a Type-1 individual NPI.