Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Chelsea Deaconson

Behavior Analyst in Seattle, WA · enumerated 2013.

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

National Provider Identifier

1881024990

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Chelsea Deaconson

Sex Female

Practice address 1701 Ne Columbia Rd, Seattle, WA, 98195

Phone (253) 692-4719

Enumeration date Nov 26, 2013

Last updated in NPPES Aug 11, 2022

Taxonomy & licenses

106E00000X Assistant Behavior Analyst Behavioral Health & Social Service Providers Secondary

103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License BA60887038 (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 Chelsea Deaconson?

The National Provider Identifier (NPI) for Chelsea Deaconson is 1881024990, a Type 1 (individual) record in the CMS NPPES registry.

Where does Chelsea Deaconson practice?

The practice location on file with NPPES is in Seattle, 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 2022-08-11.