What is Toi Sin Yau's NPI number?

Toi Sin Yau's National Provider Identifier (NPI) is 1508055617, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Toi Sin Yau's specialty?

Toi Sin Yau is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).

Where is Toi Sin Yau located?

Toi Sin Yau's practice location on file with NPPES is 2441 Jackson St, San Francisco, CA 94115-1324.

What is Toi Sin Yau's phone number?

The practice phone number listed in the NPPES registry for Toi Sin Yau is (415) 346-6380.

Is Toi Sin Yau's NPI active?

Yes — Toi Sin Yau's NPI (1508055617) is active in the NPPES registry as of the last update on 2007-10-15.

IndividualActive

Toi Sin Yau

NPI 1508055617 · Mental Health Counselor · San Francisco, CA

Toi Sin Yau is a Mental Health Counselor provider in San Francisco, CA (NPI 1508055617).

Provider details

NPI number: 1508055617
Entity type: Individual
Primary specialty: Mental Health CounselorBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Mental Health CounselorPrimary101YM0800X
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(82/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
18 yrs in NPPES registry
Profile completeness38% of score
83% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

2441 Jackson St

San Francisco, CA 94115-1324

Phone: (415) 346-6380

Street-level locationGet directions

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Mailing address