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

DR. WILLIAM E. LEINART D.D.S.
NPI 1669415204
Dentist - General Practice in Mesquite, TX

Q: What is William Leinart's NPI number?

The NPI number for William Leinart is 1669415204. It was assigned to this individual provider in the NPPES registry on June 13, 2006.

Q: What is William Leinart's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Q: When was this NPI record last updated?

The NPPES record for William Leinart was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 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 June 13, 2006

1900 OATES DR, SUITE 173, MESQUITE, TX 75150(972) 686-6060(972) 686-7030 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. William E. Leinart D.d.s. NPPES

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

DR. WILLIAM E. LEINART D.D.S. (NPI 1669415204) is an individual general practice provider in Mesquite, Texas, licensed in Texas (11,069) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1669415204

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDR. WILLIAM E. LEINARTCredential: D.D.S.

Location Address1900 OATES DR, SUITE 173Mesquite, TX 75150-6862

Mailing Address4122 Fairlakes CtDallas, TX 75228-1439 · (972) 686-4430

Phone(972) 686-6060

Fax(972) 686-7030

Sole ProprietorNo

Enumeration DateJune 13, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1669415204 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in TX · 11,069

Definition

A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

1900 OATES DR, Mesquite, TX 75150

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Other Providers at the Same Location NPPES 5

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

DR. MICHAEL RICHARD LEVE OD

Optometrist

1900 OATES DR, #151
MESQUITE, TX 75150

Dallas County (972) 279-1160

DAVID J. CLARK, DC PROFESSIONAL ASSOCIATION

Chiropractor

1900 OATES DR, SUITE 145
MESQUITE, TX 75150

Dallas County (972) 613-7574

APPLE DRUGS #102

Pharmacy

1900 OATES DR, SUITE 138
MESQUITE, TX 75150

Dallas County (972) 270-0041

PEDRO YEN M.D.

Clinic/Center

1900 OATES DR, SUITE 138
MESQUITE, TX 75150

Dallas County (972) 270-7600

AGUEDA RIVERA BYARS FNP

Nurse Practitioner (Family)

1900 OATES DR, #138
MESQUITE, TX 75150

Dallas County (972) 270-7600

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 William Leinart's NPI number?

The NPI number for William Leinart is 1669415204. It was assigned to this individual provider in the NPPES registry on June 13, 2006.

Where is William Leinart located?

William Leinart practices at 1900 Oates Dr Suite 173, Mesquite, TX 75150. The listed phone number is (972) 686-6060.

What is William Leinart's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

When was this NPI record last updated?

The NPPES record for William Leinart was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 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.