Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Fremont Vision Optix Optometry

Q: What type of organization is Fremont Vision Optix Optometry?

Fremont Vision Optix Optometry is registered in NPPES as a Optometrist (its primary provider taxonomy).

Optometrist in Fremont, CA · enumerated 2023 · authorized official Winson Ong, Ceo.

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

National Provider Identifier

1184303091

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Registry record

Entity type Organization (Type 2)

Legal business name Fremont Vision Optix Optometry

Practice address 4527 Mattos Dr, Fremont, CA, 94536

Phone (510) 797-4750

Enumeration date Jul 17, 2023

Last updated in NPPES Jul 17, 2023

Taxonomy & classification

152W00000X Optometrist Eye and Vision Services Providers Primary

Authorized official

Name Winson Ong

Title Ceo

Phone (408) 757-6951

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 type of organization is Fremont Vision Optix Optometry?

Fremont Vision Optix Optometry is registered in NPPES as a Optometrist (its primary provider taxonomy).

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

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Don Pegueros Optometrist · Fremont, CA NPI 1710014659

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-07-17.