Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alyson Diaz-Kleine, M.S., CCC-SLP

Speech-Language Pathologist in Saint Louis, MO · enumerated 2011.

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

National Provider Identifier

1275837429

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Registry record

Entity type Individual (Type 1)

Name Alyson Diaz-Kleine

Credential M.S., CCC-SLP

Sex Female

Practice address 10094 Litzsinger Rd, Saint Louis, MO, 63124

Phone (314) 989-8869

Fax (314) 989-8870

Enumeration date Jan 3, 2011

Last updated in NPPES Jan 3, 2011

Taxonomy & licenses

235Z00000X Speech-Language Pathologist Speech, Language and Hearing Service Providers · License 1999137418 (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

Where does Alyson Diaz-Kleine practice?

The practice location on file with NPPES is in Saint Louis, MO. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Alyson Diaz-Kleine?

The National Provider Identifier (NPI) for Alyson Diaz-Kleine is 1275837429, 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 2011-01-03.