Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Aa Diagnostic Lab

Q: What is the NPI number for Aa Diagnostic Lab?

The NPI for Aa Diagnostic Lab is 1649913351, a Type 2 (organization) record in the CMS NPPES registry.

Clinical Medical Laboratory in Encino, CA · enumerated 2022 · authorized official Aram Chasiridis, President.

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

National Provider Identifier

1649913351

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Registry record

Entity type Organization (Type 2)

Legal business name Aa Diagnostic Lab

Practice address 5535 Balboa Blvd Ste 229, Encino, CA, 91316

Phone (747) 247-2071

Enumeration date Apr 20, 2022

Last updated in NPPES Apr 20, 2022

Taxonomy & classification

291U00000X Clinical Medical Laboratory Laboratories Primary

Authorized official

Name Aram Chasiridis

Title President

Phone (424) 222-3420

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

Who is the authorized official for Aa Diagnostic Lab?

NPPES lists Aram Chasiridis (President) as the authorized official for this organization.

What is the NPI number for Aa Diagnostic Lab?

The NPI for Aa Diagnostic Lab is 1649913351, a Type 2 (organization) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-04-20.