Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Efrain A Montana DDS Adriana A Villarreal DDS A Professional Corp.

General Practice Dentistry in Gilroy, CA · enumerated 2007 · authorized official Efrain Montana, Director.

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

National Provider Identifier

1033398243

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Registry record

Entity type Organization (Type 2)

Legal business name Efrain A Montana DDS Adriana A Villarreal DDS A Professional Corp.

Practice address 7880 Wren Ave, Ste D-145, Gilroy, CA, 95020

Phone (408) 847-6060

Enumeration date Oct 24, 2007

Last updated in NPPES Oct 24, 2007

Taxonomy & classification

1223G0001X General Practice Dentistry Dental Providers · License 49148 (CA) Primary

Authorized official

Name Efrain Montana

Title Director

Phone (408) 847-6060

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 Efrain A Montana DDS Adriana A Villarreal DDS A Professional Corp.?

NPPES lists Efrain Montana (Director) as the authorized official for this organization.

What is the NPI number for Efrain A Montana DDS Adriana A Villarreal DDS A Professional Corp.?

The NPI for Efrain A Montana DDS Adriana A Villarreal DDS A Professional Corp. is 1033398243, a Type 2 (organization) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-10-24.