Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Adelaido A. Villarreal,Jr., D.D.S.

General Practice Dentistry in Mcallen, TX · enumerated 2012 · authorized official Adelaido Villarreal, Dentist.

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

National Provider Identifier

1902170418

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Registry record

Entity type Organization (Type 2)

Legal business name Adelaido A. Villarreal,Jr., D.D.S.

Practice address 2420 Pecan Blvd, Mcallen, TX, 78501

Phone (956) 682-6464

Enumeration date Mar 1, 2012

Last updated in NPPES Mar 1, 2012

Taxonomy & classification

1223G0001X General Practice Dentistry Dental Providers Primary

Authorized official

Name Adelaido Villarreal

Title Dentist

Phone (956) 682-6464

Other identifiers

Identifier	Type	State	Issuer
459065196	Medicaid	TX	-

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 a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

What type of organization is Adelaido A. Villarreal,Jr., D.D.S.?

Adelaido A. Villarreal,Jr., D.D.S. is registered in NPPES as a General Practice Dentistry (its primary provider taxonomy).

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Adelaido Villarreal Dentist · Mcallen, TX NPI 1538259429

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-03-01.