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

Katherine Ngo, OD

Individual provider Optometrist · NPI 1245025816

Katherine Ngo, OD is an Optometrist in Merced, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2025
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 →

Practice location Address checks out

197 W El Portal Dr Ste A
Merced, CA 95348-2850
Phone: (209) 384-2110
Fax: (209) 384-8756
Show map & directions

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

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 36300 (CA)

Record details

NPI number1245025816
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorYes
NPI enumeratedApril 14, 2025
Last updated in NPPESJuly 30, 2026
Certification dateJuly 30, 2026
Mailing address197 W El Portal Dr Ste A, Merced, CA 95348-2850

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