Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Elphida G. Ayvazian, D.M.D.

Prosthodontics in Great Neck, NY · enumerated 2007.

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

National Provider Identifier

1558558890

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Registry record

Entity type Individual (Type 1)

Name Dr. Elphida G. Ayvazian

Credential D.M.D.

Sex Female

Practice address 23 Bond St, Great Neck, NY, 11021

Phone (516) 482-5416

Enumeration date Oct 1, 2007

Last updated in NPPES Oct 1, 2007

Taxonomy & licenses

1223P0700X Prosthodontics Dental Providers · License 049889-1 (NY) Primary

DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees. About the DMD 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 Elphida Ayvazian?

Elphida Ayvazian is registered in NPPES with the primary taxonomy of Prosthodontics. 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 2007-10-01.