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

Toi Sin Yau

Individual provider Mental Health Counselor · NPI 1508055617

Toi Sin Yau is a Mental Health Counselor in San Francisco, California. Registered with an NPI since 2007.

In the registry since
2007

Practice location Address checks out

2441 Jackson St
San Francisco, CA 94115-1324
Phone: (415) 346-6380
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1508055617
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedOctober 15, 2007
Last updated in NPPESOctober 15, 2007

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