Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Kenneth Ernest Marciniak, AUD

Audiologist in Saint Louis, MO · enumerated 2010.

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

National Provider Identifier

1477864072

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Registry record

Entity type Individual (Type 1)

Name Dr. Kenneth Ernest Marciniak

Credential AUD

Sex Male

Practice address 607 S New Ballas Rd Ste 2300, Saint Louis, MO, 63141

Phone (314) 251-6394

Fax (314) 251-4235

Enumeration date Jun 29, 2010

Last updated in NPPES Jul 21, 2022

Taxonomy & licenses

231H00000X Audiologist Speech, Language and Hearing Service Providers · License 2010020892 (MO) Primary

AUD · Doctor of Audiology: A licensed audiologist diagnosing and treating hearing and balance disorders. About the AUD credential

Other identifiers

Identifier	Type	State	Issuer
1477864072	Medicaid	MO	-

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Kenneth Marciniak?

The National Provider Identifier (NPI) for Kenneth Marciniak is 1477864072, a Type 1 (individual) record in the CMS NPPES registry.

Where does Kenneth Marciniak practice?

The practice location on file with NPPES is in Saint Louis, 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 2022-07-21.