Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Josephine Ngai

Registered Dietitian in Modesto, CA · enumerated 2021.

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

National Provider Identifier

1558037242

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Registry record

Entity type Individual (Type 1)

Name Josephine Ngai

Sex Female

Practice address 1441 Florida Ave, Modesto, CA, 95350

Phone (209) 578-1211

Enumeration date Aug 21, 2021

Last updated in NPPES Jul 13, 2023

Taxonomy & licenses

133V00000X Registered Dietitian Dietary & Nutritional Service Providers 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 specialty is Josephine Ngai?

Josephine Ngai is registered in NPPES with the primary taxonomy of Registered Dietitian. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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.

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