Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Theresa Driscoll Law, MFT

Q: What is the NPI number for Theresa Law?

The National Provider Identifier (NPI) for Theresa Law is 1275839045, a Type 1 (individual) record in the CMS NPPES registry.

Marriage & Family Therapist in South San Francisco, CA · enumerated 2011 · practices at Ymca of San Francisco.

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

National Provider Identifier

1275839045

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Registry record

Entity type Individual (Type 1)

Name Mrs. Theresa Driscoll Law

Credential MFT

Sex Female

Practice address 1486 Huntington Ave, Suite 100, South San Francisco, CA, 94080

Phone (650) 877-8642

Enumeration date Jan 26, 2011

Last updated in NPPES Jan 26, 2011

Taxonomy & licenses

106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers · License 46041 (CA) 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 Theresa Law practice?

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

What is the NPI number for Theresa Law?

The National Provider Identifier (NPI) for Theresa Law is 1275839045, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-01-26.