Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Martha Van Gelder, OTR

Occupational Therapist in Seattle, WA · enumerated 2019.

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

National Provider Identifier

1356809339

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Registry record

Entity type Individual (Type 1)

Name Martha Van Gelder

Credential OTR

Sex Female

Practice address 803 S Lane St, Seattle, WA, 98104

Phone (206) 292-5184

Enumeration date Mar 8, 2019

Last updated in NPPES Mar 8, 2019

Taxonomy & licenses

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 60935890 (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.

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Frequently asked questions

Where does Martha Van Gelder practice?

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

What is the NPI number for Martha Van Gelder?

The National Provider Identifier (NPI) for Martha Van Gelder is 1356809339, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-03-08.