Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Chisato Tomita

Psychologist in Walnut Creek, CA · enumerated 2016.

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

National Provider Identifier

1861851461

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Registry record

Entity type Individual (Type 1)

Name Chisato Tomita

Sex Female

Practice address 2730 Shadelands Dr, Walnut Creek, CA, 94598

Phone (925) 266-8700

Enumeration date Feb 11, 2016

Last updated in NPPES Oct 18, 2026

Taxonomy & licenses

103T00000X Psychologist Behavioral Health & Social Service Providers · License 94029963 (CA) Primary

103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License 1-15-99999 (CA) Secondary

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

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Chisato Tomita?

Chisato Tomita is registered in NPPES with the primary taxonomy of Psychologist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-10-18.