Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Elizabeth L Riedemann

Speech-Language Pathologist in O Fallon, MO · enumerated 2007.

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

National Provider Identifier

1891989984

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Registry record

Entity type Individual (Type 1)

Name Elizabeth L Riedemann

Sex Female

Practice address 110 Virgil St, Fort Zumwalt School District, O Fallon, MO, 63366

Phone (636) 240-2072

Fax (636) 980-1946

Enumeration date Aug 31, 2007

Last updated in NPPES Feb 19, 2009

Taxonomy & licenses

235Z00000X Speech-Language Pathologist Speech, Language and Hearing Service Providers · License 109145 (MO) 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 Elizabeth Riedemann?

The National Provider Identifier (NPI) for Elizabeth Riedemann is 1891989984, a Type 1 (individual) record in the CMS NPPES registry.

Where does Elizabeth Riedemann practice?

The practice location on file with NPPES is in O Fallon, MO. 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 2009-02-19.