NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Vikki J Duke, AU.D.

Audiologist in Tulsa, OK · enumerated 2006.

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

National Provider Identifier

1154420974

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Registry record

Entity type Individual (Type 1)
Name Dr. Vikki J Duke
Credential AU.D.
Sex Female
Practice address Tulsa, OK, 74135
Phone (918) 745-9052
Fax (918) 749-9770
Enumeration date Sep 21, 2006
Last updated in NPPES Oct 3, 2007

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

231H00000X Audiologist Speech, Language and Hearing Service Providers · License 304 (OK) 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
P33991 Other - COMM CARE
9916232 Other - CIGNA
2260654 Other - UHC

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 specialty is Vikki Duke?
Vikki Duke 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 2007-10-03.