Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dianna Krystin Farrell, AU.D.
Audiologist in Smithfield, VA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1639214117
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Registry record
Entity type Individual (Type 1)
Name Dianna Krystin Farrell
Credential AU.D.
Sex Female
Practice address 206b Gumwood Dr, Smithfield, VA, 23430
Phone (757) 365-9933
Fax (757) 279-0431
Enumeration date Feb 21, 2007
Last updated in NPPES Dec 26, 2023
Taxonomy & licenses
231H00000X Audiologist Speech, Language and Hearing Service Providers · License AU2476 (CA) Secondary
231H00000X Audiologist Speech, Language and Hearing Service Providers · License 2101001496 (VA) 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.
Frequently asked questions
Where does Dianna Farrell practice?
The practice location on file with NPPES is in Smithfield, VA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Dianna Farrell?
The National Provider Identifier (NPI) for Dianna Farrell is 1639214117, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-12-26.