Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Arlen Vartanian, D.D.S.

Dentist in San Mateo, CA · enumerated 2012.

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

National Provider Identifier

1124387501

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Registry record

Entity type Individual (Type 1)

Name Dr. Arlen Vartanian

Credential D.D.S.

Sex Male

Practice address 218 Louise Ln, San Mateo, CA, 94403

Phone (650) 270-8990

Enumeration date May 7, 2012

Last updated in NPPES Aug 27, 2013

Taxonomy & licenses

122300000X Dentist Dental Providers · License 62865 (CA) Primary

DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS 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 Arlen Vartanian practice?

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

What is the NPI number for Arlen Vartanian?

The National Provider Identifier (NPI) for Arlen Vartanian is 1124387501, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-08-27.