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

Dr. John Louis Nelson, OD

Individual provider Optometrist · NPI 1922095082

Dr. John Louis Nelson, OD is an Optometrist in Castro Valley, California. Licensed in California. Registered with an NPI since 2005.

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

20211 Patio Dr Ste 100
Castro Valley, CA 94546-4338
Phone: (510) 881-4401
Fax: (510) 881-4423
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 4985T (CA)

Record details

NPI number1922095082
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedOctober 4, 2005
Last updated in NPPESAugust 6, 2014

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