Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Naoki Hemmi

Q: What is the NPI number for Naoki Hemmi?

The National Provider Identifier (NPI) for Naoki Hemmi is 1699337162, a Type 1 (individual) record in the CMS NPPES registry.

Clinical Social Worker in Tustin, CA · enumerated 2019.

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

National Provider Identifier

1699337162

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Registry record

Entity type Individual (Type 1)

Name Naoki Hemmi

Sex Male

Practice address Tustin, CA, 92780

Phone (888) 265-9114

Enumeration date Jul 3, 2019

Last updated in NPPES Dec 26, 2023

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 107590 (CA) 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 Naoki Hemmi?

The National Provider Identifier (NPI) for Naoki Hemmi is 1699337162, a Type 1 (individual) record in the CMS NPPES registry.

Where does Naoki Hemmi practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-12-26.