Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Nader D. Ghiassi DDS Inc

Dentist in San Juan Capistrano, CA · enumerated 2012 · authorized official Nader Ghiassi, President.

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

National Provider Identifier

1871839704

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Registry record

Entity type Organization (Type 2)

Legal business name Nader D. Ghiassi DDS Inc

Practice address 27231 Ortega Hwy Ste A, San Juan Capistrano, CA, 92675

Phone (949) 487-0800

Enumeration date Dec 20, 2012

Last updated in NPPES Dec 20, 2012

Taxonomy & classification

122300000X Dentist Dental Providers · License 49887 (CA) Primary

Authorized official

Name Nader Ghiassi

Title President

Phone (949) 487-0800

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 is Nader D. Ghiassi DDS Inc located?

The practice location on file with NPPES is in San Juan Capistrano, CA.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2012-12-20. Verify at npiregistry.cms.hhs.gov.

Providers at this address

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Nader Ghiassi General Practice Dentistry · San Juan Capistrano, CA NPI 1972601110

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-12-20.