Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mary Nguyen, OD

Individual provider Optometrist · NPI 1285981274

Mary Nguyen, OD is an Optometrist in Castro Valley, California. Licensed in California. Registered with an NPI since 2012.

Licensed in
CA
In the registry since
2012
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

3550 Castro Valley Blvd
Castro Valley, CA 94546-4402
Phone: (510) 581-1680
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence OPT 14496 (CA)

Record details

NPI number1285981274
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorNo
NPI enumeratedAugust 8, 2012
Last updated in NPPESJanuary 28, 2016

Other providers in Castro Valley