NPPES file of Aug 9, 2026

Thomas E. O'Connor, DMD

General Practice Dentistry · Saint Louis, MO

Thomas E. O'Connor, DMD is a general practice dentistry with a practice address in Saint Louis, Missouri, and NPI 1740431931, issued on Oct 6, 2008. Check the license (Missouri MO13203, as entered in NPPES) with the Missouri 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
1740431931
Name
Thomas E. O'Connor
Credential
DMD
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
MO13203 MO
Self-reported in NPPES; status is on the state search
Practice location
5343 Loughborough Ave, Saint Louis, MO 63109
Phone
(314) 351-2900
Enumerated
Oct 6, 2008
Record last updated
Oct 6, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(314) 351-8194
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.
Download card Updates feed

8 nearest general practice dentistry records → All 1,982 in Missouri → Look up another NPI →

Verify Thomas E. O'Connor in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Missouri board licenses this profession
    Search for license MO13203    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 Missouri 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

43% more Medicare Part D claims than the average general practice dentistry in 2024

119 Medicare Part D claims for 43 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.

  1. Thomas O'Connor119
  2. Specialty average83

Most prescribed

  1. Amoxicillin28 claims
  2. Amoxicillin-Clavulanate Potass20 claims
  3. Celecoxib19 claims
  4. Prevident19 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.

Thomas E. O'Connor among 1,982 general practice dentistry records in Missouri

Thomas E. O'Connor, DMD is one of 1,982 general practice dentistry records with a practice address in Missouri. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 58% of them.

  • NPI issued2008 · 58% of these records are older, 38% newer
  • In a Medicare fileYes · 61% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2008 · 68% 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 Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

General Practice Dentistry providers in Missouri

There are 1,982 general practice dentistry records in Missouri.

All 1,982 in Missouri → Every provider in Saint Louis → General Practice Dentistry nationwide →

The 8 general practice dentistry records with the nearest ZIP codes

  1. Jason Allen, DMDSaint Louis, MO 631091972612869
  2. Carrie Barnhart, DDSSaint Louis, MO 631091639230204
  3. John Doyle, DDSSt Louis, MO 631091801959903
  4. Thomas Flavin, D.D.S.Saint Louis, MO 631091568465409
  5. Steven Hoffman, DMDSaint Louis, MO 631091346336179
  6. Lester Joern, D.D.S.Saint Louis, MO 631091154404879
  7. Ellis Memos, DDSSt Louis, MO 631091245340025
  8. Jeremy Pfeffer, D.M.D.Saint Louis, MO 631091083888648

Common questions

What is Thomas E. O'Connor, DMD's NPI number?

Thomas E. O'Connor, DMD's National Provider Identifier (NPI) is 1740431931, issued on Oct 6, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Thomas E. O'Connor, DMD located?

The NPPES record lists a practice address at 5343 Loughborough Ave, Saint Louis, MO, 63109. Phone: (314) 351-2900. Providers update this record themselves, so call before visiting.

How can I verify Thomas E. O'Connor, DMD's license?

NPPES lists Missouri license number MO13203, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.

How much does Thomas E. O'Connor, DMD prescribe under Medicare Part D?

In 2024, Thomas E. O'Connor, DMD had 119 Medicare Part D claims for 43 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.

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.