Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Brian Allen Marchione, DVM, DACVO

Veterinarian in Los Angeles, CA · enumerated 2012.

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

National Provider Identifier

1427392414

Verified

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Registry record

Entity type Individual (Type 1)

Name Dr. Brian Allen Marchione

Credential DVM, DACVO

Sex Male

Practice address 9854 National Blvd # 440, Los Angeles, CA, 90034

Phone (310) 862-2133

Enumeration date Nov 15, 2012

Last updated in NPPES Nov 9, 2022

Taxonomy & licenses

174M00000X Veterinarian Other Service Providers · License 16690 (CA) Primary

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 is the NPI number for Brian Marchione?

The National Provider Identifier (NPI) for Brian Marchione is 1427392414, a Type 1 (individual) record in the CMS NPPES registry.

Where does Brian Marchione practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-11-09.