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

North Texas Toxicology PLLC

Organization Medical Toxicology (Emergency Medicine) Physician · NPI 1821735143

North Texas Toxicology PLLC is a Medical Toxicology (Emergency Medicine) Physician in Dallas, Texas. Registered with an NPI since 2022.

In the registry since
2022
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

4835 Lbj Fwy Ste 900
Dallas, TX 75244-6001
Phone: (469) 420-5544
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Toxicology (Emergency Medicine) Physician (primary) Taxonomy 207PT0002X

Record details

NPI number1821735143
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Nestor Zenarosa — Authorized Offical · (469) 420-5544
NPI enumeratedMay 18, 2022
Last updated in NPPESAugust 12, 2025
Certification dateAugust 12, 2025
Mailing addressPo Box 650444, Dept 134, Dallas, TX 75265

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