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

Individual provider Optometrist · NPI 1851942569

Karen Diep Toledo, OD is an Optometrist in Fontana, California. Works from 3 locations. Licensed in California.

Licensed in
CA
In the registry since
2019
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

9961 Sierra Ave # 4
Fontana, CA 92335-6720
Phone: (909) 427-6984
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 8028 3rd St, Downey, CA 90241-3602 — (562) 622-8700
  • 3801 Miranda Ave, Palo Alto, CA 94304-1207 — (650) 493-5000

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 34380TLG (CA)

Record details

NPI number1851942569
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorNo
NPI enumeratedSeptember 24, 2019
Last updated in NPPESJanuary 18, 2024
Certification dateJanuary 18, 2024

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