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

Individual provider Optometrist · NPI 1538152145

Dr. Wendy Kim Duncan, OD is an Optometry in Fontana, California. Qualified in 1982, 44 years ago. Practices with Cathy Nguyen OD a Professional Optometric Corporation, a 2-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
44
Licensed in
CA
In the registry since
2005
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

8190 Mango Ave
Fontana, CA 92335-3610
Phone: (909) 350-2020
Fax: (909) 350-2341
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 7522T (CA)

Record details

NPI number1538152145
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorYes
NPI enumeratedAugust 30, 2005
Last updated in NPPESAugust 30, 2013

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolOTHER
Graduated 1982 (44 years in practice)
Group practice Cathy Nguyen Od A Professional Optometric Corporation — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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