Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Mcallen Pathology Associates

Q: What is the NPI number for Mcallen Pathology Associates?

The NPI for Mcallen Pathology Associates is 1053533000, a Type 2 (organization) record in the CMS NPPES registry.

Specialist in Mcallen, TX · enumerated 2007 · authorized official Emma Diaz Deleon, MD.

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

National Provider Identifier

1053533000

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Registry record

Entity type Organization (Type 2)

Legal business name Mcallen Pathology Associates

Practice address 301 W Expressway 83, Mcallen, TX, 78503

Phone (956) 971-5880

Fax (956) 971-5805

Enumeration date May 2, 2007

Last updated in NPPES Aug 22, 2020

Taxonomy & classification

174400000X Specialist Other Service Providers · License K8118 (TX) Primary

Authorized official

Name Emma Diaz Deleon

Title MD

Phone (956) 971-5880

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 Mcallen Pathology Associates?

The NPI for Mcallen Pathology Associates is 1053533000, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Mcallen Pathology Associates?

NPPES lists Emma Diaz Deleon (MD) as the authorized official for this organization.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-08-22.