Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Per-Lab LLC

Clinical Medical Laboratory in Mcallen, TX · enumerated 2020 · authorized official Cesar Lozano, Managing Partner.

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

National Provider Identifier

1063040335

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Registry record

Entity type Organization (Type 2)

Legal business name Per-Lab LLC

Practice address 4419 N Mccoll Rd, Mcallen, TX, 78504

Phone (956) 322-5425

Fax (956) 332-5482

Enumeration date Mar 31, 2020

Last updated in NPPES Oct 20, 2022

Taxonomy & classification

291U00000X Clinical Medical Laboratory Laboratories Primary

Authorized official

Name Cesar Lozano

Title Managing Partner

Phone (956) 292-9799

Other identifiers

Identifier	Type	State	Issuer
45D2181312	Other	TX	CLIA

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

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2022-10-20. Verify at npiregistry.cms.hhs.gov.

Where is Per-Lab LLC located?

The practice location on file with NPPES is in Mcallen, TX.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-10-20.