1. Home
  2. Directory
  3. Texas
  4. Cleveland
  5. Dentist
  6. NPI Profile

DR. MARK RAY GUILLORY D.D.S.
NPI 1215947122
Dentist - General Practice in Cleveland, TX

Active since August 09, 2006
400 BELCHER ST STE 2, CLEVELAND, TX 77327(281) 592-6398 Get Directions Write a Review

NPPES record last updated: April 9, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Mark Ray Guillory D.d.s. NPPES

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

DR. MARK RAY GUILLORY D.D.S. (NPI 1215947122) is an individual general practice provider in Cleveland, Texas, licensed in Texas (20726) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1215947122
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. MARK RAY GUILLORYCredential: D.D.S.
Location Address400 BELCHER ST STE 2Cleveland, TX 77327-3654
Mailing Address400 Belcher St Ste 2Cleveland, TX 77327-3654 · (281) 592-6398
Phone(281) 592-6398
Sole ProprietorNo
Enumeration DateAugust 9, 2006
Last NPPES UpdateApril 9, 2025
NPPES CertifiedApril 9, 2025
✔ NPI 1215947122 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
Licenses✔ Licensed in TX · 20726✔ Licensed in LA · 7647
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.
400 BELCHER ST STE 2, Cleveland, TX 77327
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

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 Mark Guillory's NPI number?

The NPI number for Mark Guillory is 1215947122. It was assigned to this individual provider in the NPPES registry on August 9, 2006.

Where is Mark Guillory located?

Mark Guillory practices at 400 Belcher St Ste 2, Cleveland, TX 77327. The listed phone number is (281) 592-6398.

What is Mark Guillory's specialty?

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

What insurance does Mark Guillory accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Magnolia Health and 20 other insurers list Mark Guillory 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 Mark Guillory was last updated on April 9, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.