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

Diane H Williams, OD

Individual provider Optometrist · NPI 1790746238

Diane H Williams, OD is an Optometrist in Danville, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

909 San Ramon Valley Blvd Ste 114
Danville, CA 94526-4038
Phone: (925) 837-5922
Fax: (925) 837-1403
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 7087 (CA)

Record details

NPI number1790746238
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorNo
NPI enumeratedMarch 31, 2006
Last updated in NPPESDecember 18, 2008
Mailing address909 San Ramon Valley Blvd, Suite 114, Danville, CA 94526-4038

Other providers in Danville