Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Christina Walkonis Allen, AU.D.

Audiologist in Saint Louis, MO · enumerated 2011.

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

National Provider Identifier

1922382464

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Registry record

Entity type Individual (Type 1)

Name Christina Walkonis Allen

Credential AU.D.

Sex Female

Practice address 3009 N Ballas Rd, Ste 380c, Saint Louis, MO, 63131

Phone (314) 996-4192

Fax (314) 996-4195

Enumeration date Oct 3, 2011

Last updated in NPPES Oct 13, 2014

Taxonomy & licenses

231H00000X Audiologist Speech, Language and Hearing Service Providers · License 2011032384 (MO) Primary

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

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 specialty is Christina Allen?

Christina Allen is registered in NPPES with the primary taxonomy of Audiologist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-10-13.