Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Lethuy T Nguyen, OD

Individual provider Optometrist · NPI 1033285689

Dr. Lethuy T Nguyen, OD is an Optometry in Upland, California. Graduated from Southern California College of Optometry in 1992, 34 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
34
Trained at
Southern California College of Optometry
Licensed in
CA
In the registry since
2006
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

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Practice location Address checks out

553 N Mountain Ave
Upland, CA 91786-5016
Phone: (909) 985-2876
Fax: (909) 946-8585
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 9953 (CA)

Record details

NPI number1033285689
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorYes
NPI enumeratedNovember 27, 2006
Last updated in NPPESMarch 17, 2014

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPTOMETRY
Medical schoolSOUTHERN CALIFORNIA COLLEGE OF OPTOMETRY
Graduated 1992 (34 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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