Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Tristika Weaver-Maddox, COTA/L

Occupational Therapy Assistant in Brentwood, CA · enumerated 2018 · practices at Foundations Therapy Service, A Professional Corporation.

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

National Provider Identifier

1255810156

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Registry record

Entity type Individual (Type 1)

Name Tristika Weaver-Maddox

Credential COTA/L

Sex Female

Practice address 144 Continente Ave Ste 100, Brentwood, CA, 94513

Phone (925) 513-2440

Enumeration date Aug 10, 2018

Last updated in NPPES Aug 10, 2018

Taxonomy & licenses

224Z00000X Occupational Therapy Assistant Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License OTA3892 (CA) Primary

Other identifiers

Identifier	Type	State	Issuer
OTA3892	Other	-	OCCUPATIONAL THERAPY

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

What is the NPI number for Tristika Weaver-Maddox?

The National Provider Identifier (NPI) for Tristika Weaver-Maddox is 1255810156, a Type 1 (individual) record in the CMS NPPES registry.

Where does Tristika Weaver-Maddox practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-08-10.