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

Dr. Elizabeth Pahygiannis Vass, AU.D.

Audiologist in Charleston, SC · enumerated 2024.

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

National Provider Identifier

1740022417

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Registry record

Entity type Individual (Type 1)

Name Dr. Elizabeth Pahygiannis Vass

Credential AU.D.

Sex Female

Practice address Charleston, SC, 29425

Phone (843) 792-3531

Enumeration date Jun 12, 2024

Last updated in NPPES Jul 22, 2025

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

Taxonomy & licenses

231HA2400X Assistive Technology Practitioner Audiologist Speech, Language and Hearing Service Providers · License AUD.7974 (SC) Secondary

231HA2500X Assistive Technology Supplier Audiologist Speech, Language and Hearing Service Providers · License AUD.7974 (SC) Secondary

237600000X Audiologist-Hearing Aid Fitter Speech, Language and Hearing Service Providers · License AUD.7974 (SC) Secondary

231H00000X Audiologist Speech, Language and Hearing Service Providers · License AUD.7974 (SC) 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

Where does Elizabeth Vass practice?

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

What is the NPI number for Elizabeth Vass?

The National Provider Identifier (NPI) for Elizabeth Vass is 1740022417, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-07-22.