Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Yau Yi Lee

Q: What is the NPI number for Yau Lee?

The National Provider Identifier (NPI) for Yau Lee is 1073742771, a Type 1 (individual) record in the CMS NPPES registry.

Social Worker in San Francisco, CA · enumerated 2009.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1073742771

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Registry record

Entity type Individual (Type 1)

Name Yau Yi Lee

Sex Female

Practice address 1038 Post St, San Francisco, CA, 94109

Phone (415) 775-2636

Fax (415) 775-1345

Enumeration date Jul 2, 2009

Last updated in NPPES Jul 2, 2009

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Yau Lee practice?

The practice location on file with NPPES is in San Francisco, CA. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Yau Lee?

The National Provider Identifier (NPI) for Yau Lee is 1073742771, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-07-02.