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

Clarissa Sin OD, Inc

Organization Optometrist · NPI 1073974366

Clarissa Sin OD, Inc is an Optometrist in San Mateo, California. Licensed in California. Registered with an NPI since 2016.

Licensed in
CA
In the registry since
2016
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

117 N San Mateo Dr Ste 2
San Mateo, CA 94401-2708
Phone: (650) 344-2555
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 13768 (CA)

Record details

NPI number1073974366
Entity typeOrganization (Type 2)
Organization subpartYes
Parent organizationClarissa Sin OD, Inc
Authorized official Clarissa Sin — Ceo/Optometrist · (510) 896-9982
Other names Drs In Optometry
NPI enumeratedMarch 14, 2016
Last updated in NPPESMarch 17, 2016
Mailing address2918 Sorrento Way, Union City, CA 94587-1532

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