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

William Patrick Gerlach, OD

Individual provider Optometrist · NPI 1285674291

William Patrick Gerlach, OD is an Optometrist in Visalia, California. Practices as a sole proprietor. Licensed in California.

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.

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Practice location Address checks out

2830 W Main St
Visalia, CA 93291-4331
Phone: (559) 636-1000
Fax: (559) 733-7438
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence OPT 6033 TPA (CA)

Record details

NPI number1285674291
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorYes
NPI enumeratedJune 7, 2006
Last updated in NPPESOctober 8, 2009
Mailing address2830 W Main St, Visalia, CA 93291-4331

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