NPPES file of Aug 9, 2026

Thomas Ray O'Brien, DDS

General Practice Dentistry · Houston, TX

Thomas Ray O'Brien, DDS is a general practice dentistry with a practice address in Houston, Texas, and NPI 1477655991, issued on Sep 4, 2006. Check the license (Texas 10439, as entered in NPPES) with the Texas board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1477655991
Name
Thomas Ray O'Brien
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
10439 TX
Self-reported in NPPES; status is on the state search
Practice location
8811 Frankway Dr, Houston, TX 77096
Phone
(713) 667-6478
Enumerated
Sep 4, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(713) 667-5443
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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8 nearest general practice dentistry records → All 10,056 in Texas → Look up another NPI →

Also registered at 8811 Frankway Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Steven Epstein, D.D.S.General Practice Dentistry1760505242
  2. W Horwitz, D.D.S.General Practice Dentistry1205959988
  3. Kevin Krantz, D.D.S.General Practice Dentistry1386767895
  4. Janene Marrs, D.D.S.General Practice Dentistry1477561694

Verify Thomas Ray O'Brien 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 10439    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
Find the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Thomas Ray O'Brien among 10,056 general practice dentistry records in Texas

Thomas Ray O'Brien, DDS 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 not. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 73% newer
  • In a Medicare fileNo · 64% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 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).

1,316 general practice dentistry records list a practice address in Houston

They are 1,316 of the 61,221 NPPES records with a practice address in Houston, and 10,056 general practice dentistry records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 10,056 in Texas → Every provider in Houston → General Practice Dentistry nationwide →

The 8 general practice dentistry records with the nearest ZIP codes

  1. Jeffrey Busch, D.D.S.Houston, TX 770961043389919
  2. Joseph Denena, DDSHouston, TX 770961306958905
  3. Steven Epstein, D.D.S.Houston, TX 770961760505242
  4. De Shaunda Graves, D.D.S.Houston, TX 770961093817710
  5. Theresa Honeycutt, DDSHouston, TX 770961013926260
  6. W Horwitz, D.D.S.Houston, TX 770961205959988
  7. Andrew Huynh, DDSHouston, TX 770961023112737
  8. Kevin Krantz, D.D.S.Houston, TX 770961386767895

Common questions

What is Thomas Ray O'Brien, DDS's NPI number?

Thomas Ray O'Brien, DDS's National Provider Identifier (NPI) is 1477655991, issued on Sep 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Ray O'Brien, DDS located?

The NPPES record lists a practice address at 8811 Frankway Dr, Houston, TX, 77096. Phone: (713) 667-6478. Providers update this record themselves, so call before visiting.

How can I verify Thomas Ray O'Brien, DDS's license?

NPPES lists Texas license number 10439, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.