Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Quest Diagnostics Clinical Laboratories Inc

Organization Clinical Medical Laboratory · NPI 1770373417

Quest Diagnostics Clinical Laboratories Inc is a Clinical Medical Laboratory in Harlingen, Texas. Registered with an NPI since 2025.

In the registry since
2025
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

721 W Harrison Ave
Harlingen, TX 78550-6016
Phone: (956) 247-7000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Medical Laboratory (primary) Taxonomy 291U00000X

Record details

NPI number1770373417
Entity typeOrganization (Type 2)
Organization subpartYes
Parent organizationQuest Diagnostics Incorporated
Authorized official Leah Timmerman — Vp · (973) 520-2700
NPI enumeratedMay 7, 2025
Last updated in NPPESMay 7, 2025
Certification dateMay 7, 2025
Mailing address14275 Midway Rd Ste 400, Addison, TX 75001-3661

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