What is Larry Tu's NPI number?

Larry Tu's National Provider Identifier (NPI) is 1861876948, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Larry Tu's specialty?

Larry Tu is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).

Where is Larry Tu located?

Larry Tu's practice location on file with NPPES is 1263 Mission St, San Francisco, CA 94103-2705.

What is Larry Tu's phone number?

The practice phone number listed in the NPPES registry for Larry Tu is (415) 597-8000.

Is Larry Tu's NPI active?

Yes — Larry Tu's NPI (1861876948) is active in the NPPES registry as of the last update on 2023-12-18.

IndividualActive

Larry Tu, ASW

NPI 1861876948 · Social Worker · San Francisco, CA

Larry Tu, ASW is a Social Worker provider in San Francisco, CA (NPI 1861876948).

Provider details

NPI number: 1861876948
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Credential: ASW
Sex: Male
Sole proprietor: Yes
License: ASW77959 (CA)

Specialties & taxonomies

Social WorkerPrimary104100000XLicense ASW77959 (CA)
Behavioral Health & Social Service Providers
Counselor101Y00000XLicense ASW77959 (CA)
Behavioral Health & Social Service Providers
Social Worker104100000X
Behavioral Health & Social Service Providers
Student in an Organized Health Care Education/Training Program390200000X
Student, Health Care

Profile Score

Detailed profile(78/100 index)

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

Registry tenure38% of score
10 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
2 documented practice locations

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

1263 Mission St

San Francisco, CA 94103-2705

Phone: (415) 597-8000

Street-level locationGet directions

More CA providers

Mailing address

982 Mission St

San Francisco, CA 94103-2911

Additional practice locations (1)

1038 Post St
San Francisco, CA 94109-5603
Phone: (415) 775-2636

Enumerated: 2015-07-17
Last updated: 2023-12-18
Certified: 2023-12-18

Frequently asked questions

What is Larry Tu's NPI number?: Larry Tu's National Provider Identifier (NPI) is 1861876948, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Larry Tu's specialty?: Larry Tu is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
Where is Larry Tu located?: Larry Tu's practice location on file with NPPES is 1263 Mission St, San Francisco, CA 94103-2705.
What is Larry Tu's phone number?: The practice phone number listed in the NPPES registry for Larry Tu is (415) 597-8000.
Is Larry Tu's NPI active?: Yes — Larry Tu's NPI (1861876948) is active in the NPPES registry as of the last update on 2023-12-18.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.