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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. GUY W. WILLIS D.D.S.
NPI 1427099704
Dentist - General Practice in Denison, TX

Active since June 09, 2006
321 W CRAWFORD ST, DENISON, TX 75020(903) 463-4031 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Guy W. Willis D.d.s. NPPES

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

DR. GUY W. WILLIS D.D.S. (NPI 1427099704) is an individual general practice provider in Denison, Texas, licensed in Texas (12772) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1427099704
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. GUY W. WILLISCredential: D.D.S.
Location Address321 W CRAWFORD STDenison, TX 75020-4605
Mailing Address321 W Crawford StDenison, TX 75020-4605
Phone(903) 463-4031
Sole ProprietorNo
Enumeration DateJune 9, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1427099704 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 · 12772
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.
321 W CRAWFORD ST, Denison, TX 75020
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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 Guy Willis's NPI number?

The NPI number for Guy Willis is 1427099704. It was assigned to this individual provider in the NPPES registry on June 9, 2006.

Where is Guy Willis located?

Guy Willis practices at 321 W Crawford St, Denison, TX 75020. The listed phone number is (903) 463-4031.

What is Guy Willis'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 Guy Willis 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 22 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.