Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MILLS ALEXANDER DELL
NPI 1447971320
Speech-Language Pathologist in Mesquite, TX

Q: What is Mills Dell's NPI number?

The NPI number for Mills Dell is 1447971320. It was assigned to this individual provider in the NPPES registry on September 8, 2022. The provider is also known as Allison Alexander.

Q: What is Mills Dell's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

Q: When was this NPI record last updated?

The NPPES record for Mills Dell was last updated on August 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 08, 2022

3500 PIONEER RD, MESQUITE, TX 75180(972) 882-7280 Get Directions Write a Review

NPPES record last updated: August 3, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 3, 2026, Sep 8, 2022 (2 updates tracked since 2022).

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About Mills Alexander Dell NPPES

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

MILLS ALEXANDER DELL (NPI 1447971320) is an individual speech-language pathologist provider in Mesquite, Texas and active in the NPI registry since September 2022.

NPPES Registry Identity

NPI1447971320

Entity TypeIndividualFemale

Primary Taxonomy235Z00000X

Provider Legal NameMILLS ALEXANDER DELL

Location Address3500 PIONEER RDMesquite, TX 75180-2404

Mailing Address3208 Cole Ave Apt 1304Dallas, TX 75204-1365

Phone(972) 882-7280

Sole ProprietorNo

Enumeration DateSeptember 8, 2022

Last NPPES UpdateAugust 3, 20262 updates tracked since enumeration

NPPES CertifiedAugust 3, 2026

✔ NPI 1447971320 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers

Taxonomy Code235Z00000X

Definition

The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.

3500 PIONEER RD, Mesquite, TX 75180

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Other Names 1

Former Name (1)Allison Alexander

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Other Providers at the Same Location NPPES

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

SHIRLEY CAROLINE HEATHCOCK

Speech-Language Pathologist

3500 PIONEER RD
MESQUITE, TX 75180

Dallas County (972) 882-7280

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mills Dell's NPI number?

The NPI number for Mills Dell is 1447971320. It was assigned to this individual provider in the NPPES registry on September 8, 2022. The provider is also known as Allison Alexander.

Where is Mills Dell located?

Mills Dell practices at 3500 Pioneer Rd, Mesquite, TX 75180. The listed phone number is (972) 882-7280.

What is Mills Dell's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

What insurance does Mills Dell accept?

Health plans from Blue Cross and Blue Shield of Texas list Mills Dell as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mills Dell was last updated on August 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.