Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Margaret C Pierce, MS, CCC-SLP

Speech-Language Pathologist in South Lyon, MI · enumerated 2010.

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

National Provider Identifier

1477869360

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Registry record

Entity type Individual (Type 1)

Name Margaret C Pierce

Credential MS, CCC-SLP

Sex Female

Practice address 301 S Lafayette St, South Lyon, MI, 48178

Phone (248) 486-1110

Fax (248) 486-3318

Enumeration date Aug 30, 2010

Last updated in NPPES Aug 30, 2010

Taxonomy & licenses

235Z00000X Speech-Language Pathologist Speech, Language and Hearing Service Providers · License 12095504 (MI) 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 Pierce?

The National Provider Identifier (NPI) for Margaret Pierce is 1477869360, a Type 1 (individual) record in the CMS NPPES registry.

Where does Margaret Pierce practice?

The practice location on file with NPPES is in South Lyon, MI. 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 2010-08-30.