NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ellen Szeto, OD

Optometrist in Mountain View, CA · enumerated 2006.

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

National Provider Identifier

1063486009

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Ellen Szeto
Credential OD
Sex Female
Practice address 495 Castro St, Mountain View Optometry & Contact Lens Clinic, Mountain View, CA, 94041
Phone (650) 967-6649
Fax (650) 967-0237
Enumeration date Feb 15, 2006
Last updated in NPPES Feb 6, 2008

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 10593TPL (CA) Primary
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD credential

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

Where does Ellen Szeto practice?
The practice location on file with NPPES is in Mountain View, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Ellen Szeto?
The National Provider Identifier (NPI) for Ellen Szeto is 1063486009, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-02-06.