NORTH TEXAS TOXICOLOGY PLLC
NPI 1821735143
Emergency Medicine - Medical Toxicology in Dallas, TX

Q: What is North Texas Toxicology PLLC's NPI number?

The NPI number for North Texas Toxicology PLLC is 1821735143. It was assigned to this organization in the NPPES registry on May 18, 2022.

Q: What is North Texas Toxicology PLLC's specialty?

The primary specialty registered for this NPI is Emergency Medicine, specializing in Medical Toxicology, with taxonomy code 207PT0002X.

Active since May 18, 2022

4835 LBJ FWY STE 900, DALLAS, TX 75244(469) 420-5544 Get Directions Write a Review

NPPES record last updated: August 12, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 12, 2025, Nov 22, 2022, May 18, 2022 (3 updates tracked since 2022).

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About North Texas Toxicology Pllc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NORTH TEXAS TOXICOLOGY PLLC (NPI 1821735143) is a healthcare organization registered as a medical toxicology in Dallas, Texas and active in the NPI registry since May 2022. The organization lists Nestor Zenarosa, Authorized Offical, as its authorized official.

NPPES Registry Identity

NPI1821735143

Entity TypeOrganization

Primary Taxonomy207PT0002X

Legal Business NameNORTH TEXAS TOXICOLOGY PLLC

Location Address4835 LBJ FWY STE 900Dallas, TX 75244-6001

Mailing AddressPo Box 650444, Dept 134Dallas, TX 75265

Phone(469) 420-5544

Organization SubpartNo

Authorized OfficialNestor ZenarosaAuthorized Offical · (469) 420-5544

Enumeration DateMay 18, 2022

Last NPPES UpdateAugust 12, 20253 updates tracked since enumeration

NPPES CertifiedAugust 12, 2025

✔ NPI 1821735143 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency Medicine · Medical ToxicologyAllopathic & Osteopathic Physicians

Taxonomy Code207PT0002X

Definition

Medical toxicologists are physicians who specialize in the prevention, evaluation, treatment and monitoring of injury and illness from exposures to drugs and chemicals, as well as biological and radiological agents. Medical toxicologists care for people in clinical, academic, governmental and public health settings, and provide poison control center leadership. Important areas of medical toxicology include acute drug poisoning, adverse drug events, drug abuse, addiction and withdrawal, chemicals and hazardous materials, terrorism preparedness, venomous bites and stings and environmental and workplace exposures.

4835 LBJ FWY STE 900, Dallas, TX 75244

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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MAUREEN STANEK POLAKOWSKI CRNP, DNP

Nurse Practitioner