Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mrs. Joyce Lynn London, LICSW

Q: What is the NPI number for Joyce London?

The National Provider Identifier (NPI) for Joyce London is 1336290048, a Type 1 (individual) record in the CMS NPPES registry.

Clinical Social Worker in Longview, WA · enumerated 2007.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1336290048

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Mrs. Joyce Lynn London

Credential LICSW

Sex Female

Practice address Longview, WA, 98632

Phone (360) 636-6287

Enumeration date Jan 16, 2007

Last updated in NPPES Dec 20, 2021

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers Secondary

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License LW00006267 (WA) Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Joyce London?

The National Provider Identifier (NPI) for Joyce London is 1336290048, a Type 1 (individual) record in the CMS NPPES registry.

Where does Joyce London practice?

The practice location on file with NPPES is in Longview, WA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-12-20.