Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Matthew Sandstrom

Behavior Analyst in Renton, WA · enumerated 2018.

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

National Provider Identifier

1104398924

Verified

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Registry record

Entity type Individual (Type 1)

Name Matthew Sandstrom

Sex Male

Practice address 2307 Ne 4th St Apt D203, Renton, WA, 98056

Phone (425) 589-0625

Enumeration date Dec 18, 2018

Last updated in NPPES Dec 18, 2018

Taxonomy & licenses

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

106S00000X Behavior Technician Behavioral Health & Social Service Providers Secondary

103K00000X Behavior Analyst Behavioral Health & Social Service Providers Primary

Other identifiers

Identifier	Type	State	Issuer
111524501	Medicaid	WA	-

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 Matthew Sandstrom?

The National Provider Identifier (NPI) for Matthew Sandstrom is 1104398924, a Type 1 (individual) record in the CMS NPPES registry.

Where does Matthew Sandstrom practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-12-18.