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

Dr. Gregory Mark Silva, OD

Individual provider Optometrist · NPI 1285786012

Dr. Gregory Mark Silva, OD is an Optometrist in Antioch, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
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

3400 Delta Fair Blvd
Antioch, CA 94509-4004
Phone: (925) 779-5000
Show map & directions

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

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 5599T (CA)

Record details

NPI number1285786012
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedJanuary 18, 2007
Last updated in NPPESJuly 8, 2007
Mailing address3400 Delta Fair Blvd, Antioch, CA 94509-4004

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