Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Marguerite Yvette Machen

Counselor in Daly City, CA · enumerated 2013.

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

National Provider Identifier

1144656588

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Registry record

Entity type Individual (Type 1)

Name Marguerite Yvette Machen

Sex Female

Practice address 2780 Junipero Serra Blvd, Daly City, CA, 94015

Phone (650) 985-7022

Enumeration date Sep 17, 2013

Last updated in NPPES Sep 17, 2013

Taxonomy & licenses

101Y00000X Counselor 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.

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Frequently asked questions

What is the NPI number for Marguerite Machen?

The National Provider Identifier (NPI) for Marguerite Machen is 1144656588, a Type 1 (individual) record in the CMS NPPES registry.

Where does Marguerite Machen practice?

The practice location on file with NPPES is in Daly City, 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 2013-09-17.