Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Miss Margaret Mo

Q: What is the NPI number for Margaret Mo?

The National Provider Identifier (NPI) for Margaret Mo is 1558793372, a Type 1 (individual) record in the CMS NPPES registry.

Contractor in San Francisco, CA · enumerated 2013.

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

National Provider Identifier

1558793372

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Registry record

Entity type Individual (Type 1)

Name Miss Margaret Mo

Sex Female

Practice address 1990 41st Ave, San Francisco, CA, 94116

Phone (415) 753-7400

Enumeration date Aug 2, 2013

Last updated in NPPES Aug 2, 2013

Taxonomy & licenses

171R00000X Interpreter Other Service Providers Secondary

171W00000X Contractor Other 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.

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Frequently asked questions

What is the NPI number for Margaret Mo?

The National Provider Identifier (NPI) for Margaret Mo is 1558793372, a Type 1 (individual) record in the CMS NPPES registry.

Where does Margaret Mo practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-08-02.