NPPES file of Aug 9, 2026

Mark Ray Guillory, D.D.S.

General Practice Dentistry · Cleveland, TX

Mark Ray Guillory, D.D.S. is a general practice dentistry with a practice address in Cleveland, Texas, and NPI 1215947122, issued on Aug 9, 2006. Check the license (Texas 20726, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1215947122
Name
Mark Ray Guillory
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License numbers
20726 TX
7647 LA
Self-reported in NPPES; status is on the state search
Practice location
400 Belcher St Ste 2, Cleveland, TX 77327
Phone
(281) 592-6398
Enumerated
Aug 9, 2006
Record last updated
Apr 9, 2025
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Mark Ray Guillory in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license 20726
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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29% more Medicare Part D claims than the average general practice dentistry in 2024

107 Medicare Part D claims for 64 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.

  1. Mark Guillory107
  2. Specialty average83

Most prescribed

  1. Amoxicillin64 claims
  2. Ibuprofen19 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Mark Ray Guillory among 10,056 general practice dentistry records in Texas

Mark Ray Guillory, D.D.S. is one of 10,056 general practice dentistry records with a practice address in Texas. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 73% newer
  • In a Medicare fileYes · 64% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2025 · 71% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

13 general practice dentistry records list a practice address in Cleveland

They are 13 of the 184 NPPES records with a practice address in Cleveland, and 10,056 general practice dentistry records in Texas.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Carly Bonnette, DDSCleveland, TX 773271932830767
  2. Jerry Colapret, DDSCleveland, TX 773271215093646
  3. Ropafadzo Dennis, DDSCleveland, TX 773271356895015
  4. Marc Flach, DDSCleveland, TX 773271174588347
  5. Brittany Greer, D.D.S.Cleveland, TX 773271952445421
  6. Iraj Jabbary, DDSCleveland, TX 773271376564518
  7. Scott Jones, D.D.S.Cleveland, TX 773271457408031
  8. Susan Lunson, D.D.S.Cleveland, TX 773271245239995

Common questions

What is Mark Ray Guillory, D.D.S.'s NPI number?

Mark Ray Guillory, D.D.S.'s National Provider Identifier (NPI) is 1215947122, issued on Aug 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark Ray Guillory, D.D.S. located?

The NPPES record lists a practice address at 400 Belcher St Ste 2, Cleveland, TX, 77327. Phone: (281) 592-6398. Providers update this record themselves, so call before visiting.

How can I verify Mark Ray Guillory, D.D.S.'s license?

NPPES lists Texas license number 20726, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Mark Ray Guillory, D.D.S. prescribe under Medicare Part D?

In 2024, Mark Ray Guillory, D.D.S. had 107 Medicare Part D claims for 64 beneficiaries; the average among general practice dentistry prescribers was 83. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.